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There is little probability that polyester will have industry surplus. The packaging industry will become a new big consumer.

In recent years, the domestic polyester industry has experienced significant growth. According to statistics, the cumulative capacity of construction and proposed PET (polyethylene terephthalate) facilities has surpassed 6 million tons. If all these projects are fully operational, China's polyester production in 2008 is expected to exceed 18 million tons, rising further to over 19 million tons by 2010. However, this rapid expansion has not come without challenges. The increase in crude oil prices has led to a steady rise in the cost of key raw materials like terephthalic acid and ethylene glycol, which has increased production costs for companies. At the same time, foreign countries have continued to impose anti-dumping duties on Chinese polyester products, hindering exports. As a result, the domestic market has seen a surge in supply, leading to fierce competition and declining profits. Some analysts have even raised concerns about an oversupply crisis in the industry. But according to experts, while there may be temporary surpluses in certain segments of the polyester market, the overall industry is unlikely to face a true oversupply. One major driver of future demand is the packaging industry, which is rapidly emerging as a key consumer of polyester. With the fast-paced development of the packaging sector, it is expected to fuel continued growth in the polyester industry. The beverage packaging sector, in particular, is considered a "big cake" for polyester. China's beverage industry has grown at an average annual rate of over 20%, with soft drink production reaching 29.1 million tons in 2004—a 22.7% year-on-year increase. Despite this, per capita consumption remains low at just 8 liters, far below the global average and significantly lower than that of developed countries. This indicates substantial room for growth, with experts predicting an average annual growth rate of over 15% in the next 5–10 years. This growth will drive demand for beverage packaging, where PET stands out due to its cost-effectiveness, transparency, strength, and ease of molding. Globally, more than 60% of carbonated drinks, fruit juices, tea beverages, and bottled water are packaged in PET. In China, the percentage has risen from 53% in 1997 to 70% today. Additionally, PET is increasingly used in edible oil, pesticide, and daily chemical packaging, with an annual growth rate exceeding 20%. One of the most promising areas for PET is beer packaging. Compared to traditional glass bottles, PET beer bottles offer advantages such as being lightweight, durable, and easier to transport, reducing costs. They also eliminate the risk of breakage and explosion, making them ideal for modern beer packaging. Experts consider PET as one of the most advanced materials for beer packaging in the 21st century. Although challenges like oxygen permeability exist, technological advancements have allowed large-scale production of PET beer bottles. In the U.S., over 300 million PET beer bottles were used in 2001, while in Europe, PET accounted for 10% of total beer packaging. South Korea now uses PET for 40% of its beer packaging. China’s beer production has remained stable at around 23 million tons annually since 2000, and last year exceeded 29.1 million tons. Based on a 630ml bottle size, this requires over 46 billion bottles. Even a 10% shift to PET could create a market worth over 2 billion yuan, and if 50% of bottles are PET, annual resin consumption could surpass 1 million tons—showing immense potential. Domestic PET companies are already capitalizing on this opportunity. Companies like Zhuhai Zhongfu have introduced advanced technologies to produce high-barrier, heat-resistant, and transparent PET bottles suitable for pasteurization. Their 1600ml family-sized beer bottles have been well-received. Similarly, Shanghai Zijiang has developed PET bottles that meet the standards of major domestic breweries, offering sizes from 330ml to 640ml. Experts predict that as technical barriers are overcome and production processes improve, PET bottles will see rapid adoption in the beer packaging sector over the next decade. In the pharmaceutical packaging field, PET is also gaining traction. While PP, PE, and PVC have traditionally dominated, rising costs of PP and PE have led to increased use of PVC. However, due to environmental and health concerns, especially in developed countries, the use of PVC is expected to decline. PET, with its excellent moisture barrier, clarity, non-toxicity, UV resistance, and recyclability, is becoming a preferred alternative. This trend is likely to continue, positioning PET as a strong competitor in the pharmaceutical packaging market.

Plastic Pipe Coiler/Pipe Winding Machine

The Plastic Pipe Coiler/Pipe Winding Machine is a crucial component in the plastic pipe production process, designed to coil and package plastic pipes efficiently.
1. Single Station Coiler
Suitable for winding plastic wires and medium-small plastic soft pipes. The winding speed ranges from 0.5-12m/min, with a winding length of 250-300m. The coil diameter can be adjusted from Φ400 to Φ1200 mm.
High-speed winding, automatic winding, and adjustable winding speed. It is equipped with a ray creel stand for automatic winding displacement and reaches orderly winding. The machine structure is compact with high automation and beautiful appearance.
Application Scenarios: Widely used in the production of PE, PVC, and other plastic pipes for water supply, gas pipelines, and industrial applications.
2. Double Station Coiler
Designed for winding small diameter plastic pipes, with a winding speed of 0.5-40m/min and an inner diameter of the coil ranging from 550-1500mm. The machine can be customized for different pipe diameters and winding sizes.
Product Features: Full servo control for fast and accurate wiring, flexible tension control using ultrasonic sensors, and automatic pipe clamping, cutting, and changing devices. The winding speed is precisely synchronized with the line production speed.
Application Scenarios: Ideal for winding small-sized plastic pipes, such as PVC single wall corrugated pipes, and is used in various industries including construction, agriculture, and industrial applications.
3. Automatic Coiler
Features a fully automatic operation system that can realize automatic winding, roll change, cutting, strapping, and unloading. The winding speed can reach up to 150m/min, and the machine can be customized according to the pipe type, coil inner diameter, and coil length.
Equipped with a pipe accumulator for sufficient buffering time during automatic coil changes, tension control function, and an independent motor for stable winding. The machine also has a PLC control system for precise parameter settings.
Application Scenarios: Suitable for high-speed production lines of various plastic pipes, such as PE, PERT, PEX, and more. It is widely used in the production of plastic pipes for water supply, gas pipelines, and industrial applications.
4. Specialized Coiler
Designed for specific types of pipes, such as single wall corrugated pipes, with a pipe diameter range of Ø13 — Ø50mm and a production line speed of 35m/min. The machine features a small inner diameter of the coil and full servo automatic adjustment.
Flexible tension control, fast and accurate wiring, and automated operation for efficient and safe production. The machine is equipped with advanced servo motion control systems and specific electronic cam curves for neat and smooth winding.
Application Scenarios: Used in the production of specialized plastic pipes, such as single wall corrugated pipes, and is suitable for various industries requiring precise pipe winding and packaging.

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Zhangjiagang Polestar Machinery Co.,Ltd , https://www.polestarpm.com