Paper cups are commonly used for drinks, both hot and cold, in various settings. While they are convenient and inexpensive, their safety for drinking hot liquids has been a subject of debate. In this article, we will explore the safety of paper cups for consuming hot drinks.

Disposable paper cups are typically made from bleached or unbleached paperboard, which is coated with a thin layer of plastic on the inside. This plastic coating provides a barrier between the paper and the liquid, preventing leakage and maintaining the cup’s structural integrity. However, the plastic coating raises concerns about the potential migration of harmful chemicals into the hot liquid.

One of the main concerns with paper cups is the possibility of chemical leaching. When hot liquids come into contact with plastic, especially at high temperatures, there is a risk of the plastic chemicals transferring into the beverage. Bisphenol A (BPA) is a well-known plasticizer that has been linked to various health issues, such as reproductive problems, diabetes, and cancer. While many manufacturers have switched to BPA-free coatings, other chemicals, such as styrene and polyethylene, may still be present in the plastic lining.

To ensure the safety of compostable paper cups, it is essential to use cups that are labeled as food-grade or have been tested and approved for use with hot beverages. Additionally, it is recommended to avoid leaving hot liquids in a paper cup for an extended period, as prolonged contact can increase the likelihood of chemical migration.

Furthermore, when handling hot paper cups, it is important to be cautious to avoid burns or scalding. The thin paper walls of the cup can transfer heat, making it necessary to use protective sleeves or double-cupping to prevent burns. Consumers should also be aware of the cup’s insulation properties, as paper cups may not provide the same level of heat retention as other materials, such as ceramic or stainless steel.

In recent years, the development of alternative materials and technologies has aimed to address these safety concerns. For instance, compostable and biodegradable paper cups, made from materials like cornstarch or bamboo, are gaining popularity. These cups are often advertised as being free from harmful chemicals, making them a potentially safer option.

Moreover, some companies have introduced paper cups with advanced insulation technology, which aims to keep hot drinks hot and cold drinks cold for longer periods without compromising on safety. These cups often include an additional layer or design that enhances insulation and reduces the risk of burns from holding the cup.

Paper cups can be safe for drinking hot liquids, but precautions should be taken to ensure their suitability and minimize potential risks. Using cups labeled as food-grade or approved for hot beverages and avoiding prolonged contact between hot liquids and the cup can help reduce the chances of chemical leaching. Additionally, being cautious when handling hot paper cups is crucial to prevent burns or scalding. As alternative materials and technologies continue to evolve, consumers have more options that provide both convenience and safety when enjoying their hot beverages.

With the popularity of skin care and beauty in the public life, cosmetics have become a necessity for everyone.

Over the years of development, there are various problems in the cosmetics market. Once the market begins to explode, there will be countless brands, or factories will follow suit, resulting in market products with no new ideas, uniformity and single effect.

Faced with this phenomenon, LISSON has developed the status quo of cosmetics development, launched the [upgrade version] dual chamber tube, and led the dual chamber tube to a new height, helping many factories and agents to differentiate in the market and create for the development of the cosmetics market, a new future. After decades of technical research, LISSON shocked the creation of the dual chamber tube to open the cosmetics packaging material “New” in the future. The innovative internal and external double chamber tube design will push the cosmetic tube to a new height, and empower the industry to “new” competition and force. Ten years to overcome the difficulties of filling and sealing of the mother tube, investing tens of millions of funds to support OEM partners to promote the innovation and development of dozens of dual chamber cosmetic tubes products, color to match with the new visual feast cream, cream, water, milk, liquid.

All kinds of materials are perfectly compatible, and play 1+1>2 multiple functions, which are widely used in the fields of cosmetic industry, skin care and makeup. Multi-effect without sacrificing taste, subversion and dazzling, LISSON dual chamber tube creation world "New" future.

The living room is a centerpiece of any home. Properly arranging your living room can be the difference between a comfortable, inviting space and a disorganized, unpleasant area. Since living room furniture can be pricey, homeowners often struggle to find the right pieces to enhance their living rooms without overspending. Enter Welling, your go-to for custom bean bag chairs and lazy bean sofas. Affordable bean bag chairs can serve as stylish living room furniture for various home décors. From providing comfortable seating near the TV to being perfect companions by the fireplace, cozy bean bag chairs can be the ultimate solution for your living room.

Ideas for Bean Bag Chairs in the Living Room

Reading Space

There’s always a time when you want to relax in the living room with a book or newspaper. With quality bean bag chairs, you can create a cozy reading nook in the corners of your living room. Add bookshelves around the area for a formal look, and top it off with a Welling bean bag chair. Our chairs, available in various models, are made of 100% polyurethane foam, providing a comfortable and relaxing seating environment. These cozy bean bag chairs make the reading space inviting for the entire family, from kids to parents.

Complementing the Couch

Need extra seating for a movie marathon or a get-together? No need to buy another expensive couch. Affordable bean bag chairs can serve as living room furniture by adding extra seating space. Arrange your custom bean bag chairs around your couches in various ways. Line them facing each other to create a conversational space, or place them next to the couches to make them appear longer. At Welling, our quality bean bag chairs come in sizes between 69-75 inches across, offering plenty of additional seating space for your guests. No more worrying about guests awkwardly standing because your couch isn’t big enough.

Enhancing the Fireplace

If your current fireplace looks plain and unattractive, add some cozy bean bag chairs. They are a cost-effective furniture solution that elevates the comfort of your fireplace area. Our lightweight bean bag chairs are easy to move around, making rearranging a breeze. Use varying sizes of bean bag chairs, from corner sacks with footrests to larger centerpieces, to create a cozy and inviting fireplace setup. Welling bean bag chairs offer flexibility and comfort without breaking the bank.

Next to the Windows

Want to soak up some sun during warm weather? Couches can be cumbersome to move and position near windows. They might also be too wide or bulky to place at just the right angle against the sun. With custom bean bag chairs, you get an affordable living room furniture solution for enjoying the sunshine. Our lightweight bean bag chairs can be easily positioned near windows of any size, allowing you to enjoy the view comfortably. At Welling, we use high-quality memory foam to ensure maximum comfort. The convenient shapes and customizable colors we offer let you maintain your home’s theme while enjoying the benefits of our bean bag chairs.

As Living Room Partitions

If you have a large living room, you might need to partition it into different sections to create a more intimate and inviting space. Most homeowners use expensive shelves, tables, and cabinets for this purpose. Bean bag chairs provide an easier and cheaper solution for partitioning. Strategically place your custom bean bag chairs behind couches or next to shelves and tables to create partitions. Arrange the chairs in a conversational fashion to set up multiple focal points within the living room. With affordable bean bag chairs as living room furniture, you can enhance your home’s aesthetic without overspending.

At Welling, we emphasize quality, comfort, and flexibility in our bean bag chairs. Our products provide the special touch your living room needs, allowing you to create a stylish and comfortable space without breaking the bank.

Fiber to the Home (FTTH) is a communication technology that involves the transmission of signals directly to users' homes via optical fibers. Compared to traditional copper cable connections, FTTH offers higher bandwidth, faster transmission speeds, and longer transmission distances. In recent years, due to the rapid growth of internet applications and the increasing demand for high-speed broadband, FTTH has emerged as the mainstream choice for broadband access.

FTTH networks primarily utilize two types of architectures: Passive Optical Network (PON) and Active Optical Network (AON). PON systems rely on passive splitters to distribute optical signals without the need for powered equipment, while AON systems utilize active devices such as switches and routers to amplify and distribute the signals.

Main Implementation Methods of FTTH Networks: PON and AON

FTTH networks primarily utilize two implementation methods: Passive Optical Network (PON) and Active Optical Network (AON). These two technologies differ significantly in network architecture, key components, and application scenarios.

Passive Optical Networks (PON)

Passive Optical Network (PON) is a type of fiber optic network that operates without the need for active intermediary devices such as amplifiers or switches.

In PON system, the Optical Line Terminal (OLT) is situated at the service provider's end and connects through fiber optics to multiple Optical Network Units (ONU) or Optical Network Terminals (ONT). The distribution of optical signals between these components is managed by passive splitters. PON systems are known for their low cost and simple maintenance, making them widely used in FTTH networks.

Active Optical Network (AON)

Active Optical Network (AON) relies on active intermediary devices such as switches and routers to amplify and distribute optical signals.

In AON system, each user has an individual fiber connection to a central switch or router, allowing for higher bandwidth and more flexible quality of service management. Although the initial setup costs for  AON system are higher and maintenance is more complex, its performance and service quality advantages make it competitive for high-end applications.

Passive Optical Networks (PON)

Passive Optical Network (PON) is a fiber-optic access network that operates without the need for any active intermediary devices, such as amplifiers or switches. The core component of a PON system is the passive splitter, which distributes optical signals from the Optical Line Terminal (OLT) to multiple Optical Network Units (ONU) or Optical Network Terminals (ONT). The absence of active amplification and forwarding devices makes the PON system simple in structure, low in cost, and easy to maintain.

In PON system, the OLT is located at the service provider’s central office, where it is responsible for transmitting data to each user’s ONU. The optical signals are distributed using a passive splitter that allocates the signal from a single fiber optic to multiple user terminals. This point-to-multipoint structure allows for efficient use of fiber resources.

PON systems typically employ Time Division Multiple Access (TDMA) technology for data transmission. In the downstream direction, the OLT divides data into multiple time slots, each allocated to a different ONU. In the upstream direction, each ONU transmits data in its designated time slot as scheduled by the OLT, optimizing the data flow within the network.

Currently, there are several standards within Passive Optical Network (PON) technology, with the most prominent being GPON (Gigabit-capable PON) and EPON (Ethernet PON). These two standards exhibit significant differences in their technical characteristics, application scenarios, and performance metrics.

Active Optical Network (AON)

Active Optical Networks (AON) are point-to-point fiber access networks that rely on active devices like switches and routers for signal amplification and distribution. Unlike Passive Optical Networks (PON), AON uses active components to manage and handle optical signals, providing higher bandwidth and more flexible quality of service management.

In AON system, each user has a dedicated fiber connection to a central switch or router. The central device is responsible for distributing data to all users and receiving data uploaded from them. This point-to-point topology ensures that each user enjoys dedicated fiber bandwidth, avoiding the issues of bandwidth sharing common in other systems.

AON typically employs Ethernet technology, utilizing Ethernet switches for data forwarding and management. Due to the maturity and widespread use of Ethernet technology, AON systems are highly compatible and easy to use.

PON vs AON

Network Architectures

PON Architecture：

• Point-to-Multipoint：PON uses a point-to-multipoint architecture where the Optical Line Terminal (OLT) distributes optical signals to multiple Optical Network Units (ONU) or Optical Network Terminals (ONT) via passive splitters.
• Passive Components：Splitters in PON are passive components that require no power supply or maintenance, reducing operational and maintenance costs.
• Centralized Management：PON operates with centralized management where all management and control functions are concentrated at the OLT, simplifying network management and configuration.

AON Architecture：

• Point-to-Point：AON employs a point-to-point architecture where each user has an independent fiber connection to a central switch or router.
• Active Components：AON relies on active devices such as switches and routers to amplify and distribute signals, requiring power supply and regular maintenance.
• Distributed Management：AON uses distributed management where network management and control functions are spread across various active devices, providing higher flexibility and scalability.

Bandwidth

• PON：Due to its point-to-multipoint structure, multiple users share the total bandwidth from the OLT. This can lead to bandwidth competition during peak times. Typical GPON systems offer a downstream rate of 2.5 Gbps and an upstream rate of 1.25 Gbps, while EPON systems have symmetric rates of 1 Gbps.
• AON：AON provides dedicated fiber bandwidth to each user, offering higher transmission rates and more stable performance. Ethernet AON can deliver bandwidths up to 10 Gbps or higher.

Latency

• PON：The passive splitters in PON do not introduce additional latency. However, the Time Division Multiple Access (TDMA) mechanism in the upstream link might introduce some latency due to bandwidth sharing among multiple users.
• AON：Active devices in AON introduce some processing delay, but since each user has dedicated bandwidth, the overall latency is lower and more stable.

Transmission Distance

• PON：The transmission distance in PON is limited to about 20 kilometers due to the insertion loss of passive splitters. Extending this distance is possible with the addition of repeaters but at an increased cost and complexity.
• AON：AON relies on active devices to amplify and relay signals, allowing for longer transmission distances suitable for extensive coverage areas.

Cost

• PON：The use of passive components like splitters in PON reduces initial construction costs and operational expenses, making it suitable for large-scale deployments and cost-sensitive applications.
• AON：AON's use of active devices like switches and routers results in higher initial construction and operational costs, suitable for scenarios requiring high bandwidth and high service quality assurance.

Maintenance

• PON：With no active devices in the middle network, passive components in PON require no maintenance, reducing operational and maintenance costs.
• AON：Active devices in AON require regular maintenance and power supply, increasing operational and maintenance costs but offering higher management flexibility and service quality assurance.

Application

PON：

• Residential Broadband Access：PON's simple structure, low cost, and easy maintenance make it suitable for large-scale residential broadband access.
• Small and Medium Enterprise Access：For small and medium enterprises with moderate bandwidth needs, PON provides a cost-effective broadband access solution.
• Convergence of Voice, Video, and Data Services：PON supports multiple service types, suitable for scenarios requiring the integration of voice, video, and data.

AON：

• Enterprise Broadband Access：AON offers high bandwidth, low latency, and high-quality service assurance, suitable for enterprise-level applications requiring high bandwidth and quality.
• Data Center Interconnection：AON's point-to-point architecture and high bandwidth capabilities make it ideal for high-speed interconnections between data centers.
• Long-Distance Transmission：AON can amplify and relay signals through active devices, suitable for scenarios requiring long-distance, high-bandwidth transmissions.

In recent years, the fifth-generation mobile communication system 5G has become a hot topic for discussion in the communications industry and academia.

The times are progressing, and technology is developing. In recent years, a word has frequently appeared in our lives-"smart".

The emergence of smart homes, smart medical care, smart transportation, etc. has gradually infiltrated smart technology into our lives.

Technology has given us the convenience of life,and at the same time, it has reorganized the industry structure. All industries have to change their original production methods and development methods to keep up with the trend of the times.

The same is true for the cosmetics industry.

In order to achieve more sustainability in the cosmetics packaging industry in the 5G era,the most prominent trend is: innovation and personalization.

In the 5G era, the original development mode of the cosmetics industry is no longer suitable for the current development.We must change the traditional direction and combine with technology to seek a new breakthrough.

At present, among the many innovative cosmetic Tubes packaging, the most dazzling star is Lixin's patented product-the infinite vibration eye cream tube.

LISSON infinite vibration eye cream highlights the sense of technology and solves the switch failure and leakage of the vibration eye cream tube with switch;Consumers can achieve "trigger-ready" without pressing the switch, making the product safer, more convenient and full of technology.

The most important thing is that the current circulates through the human body.

It is the first to dig out the principle of human body conduction to achieve micro-vibration, no longer limited to epidermal vibration.

The negative ions generated by the microcurrent effectively stimulate the subcutaneous cells,can penetrate the skin deeply, better promote the absorption of eye cream, and activate cells to accelerate blood circulation.

In the 5G era, Lixin Company is the first to realize the combination of products and technology in the cosmetic hose industry than its peers,

and has become a pioneer in the cosmetic hose packaging industry in the 5G era.

Since its establishment, Lixin has been focusing on the field of cosmetic tubes.

Taking pioneering innovation, high-quality service and high quality as the origin of development, paying close attention to customer needs, and constantly developing and innovating in process technology, production materials and product design!

Always diligent and never slackening.The novel and unique high-end hose has greatly increased the added value of the cosmetic brand.

We are full of confidence in the future of Lixin.

LISSON will surely become an excellent and respected model enterprise in the hose industry!

In the world of lifting and rigging equipment, round slings hold a noteworthy place due to their versatility and strength. These flexible and durable slings have various applications across multiple industries, making them an essential tool for ensuring safe and efficient operations. In this blog post, we will explore the different uses of slings and shed light on their importance in the lifting world.

1. Lifting Heavy Loads:

One of the primary of round slings is to lift heavy loads in a safe and controlled manner. These slings are designed to withstand heavy weight capacities and provide secure lifting without causing damage to the load or compromising safety. The soft and flexible material of the round slings helps distribute the load evenly, reducing the risk of stress concentration points.

2. Rigging in Construction:

Round slings find extensive applications in the construction industry, where lifting and rigging operations are integral. Whether it's lifting steel beams, concrete panels, or other construction materials, round slings provide an effective and reliable solution. The lightweight nature of round slings allows for easy handling and transportation, making them a preferred choice on construction sites.

3. Industrial Manufacturing:

Within industrial manufacturing facilities, round slings play a crucial role in material handling. They are used to move heavy machinery, delicate equipment, and large components from one location to another. The flexibility of these slings enables them to adapt to complex shapes, ensuring a secure grip during lifting operations. Moreover, their non-damaging properties make round slings ideal for delicate and sensitive materials.

4. Offshore and Marine Operations:

In the offshore and marine industry, round slings are indispensable for various tasks. Whether it's lifting cargo onto or off ships, transferring heavy materials on oil rigs, or handling equipment during marine construction, these slings provide the necessary strength and reliability required in harsh environments. Their resistance to moisture, chemicals, and UV radiation makes them suitable for offshore applications.

5. Warehousing and Logistics:

Round slings also find application in warehousing and logistics operations. They are commonly used in the transportation and movement of goods, especially bulky and irregularly shaped items. Round slings enable efficient loading and unloading, reducing labor costs and minimizing the risk of damage to the goods. Additionally, they are easy to store and maintain, making them a cost-effective choice for logistics operations.

Round slings are a versatile tool used extensively across various industries for lifting and rigging operations. Their ability to safely lift heavy loads, adapt to different shapes, and withstand harsh environments makes them an invaluable asset. Whether in construction, manufacturing, offshore operations, or logistics, round slings provide a reliable and efficient solution. By utilizing round slings, industries can enhance safety, optimize time and labor resources, and ensure smooth operations in their lifting applications.