Plastic machinery industry's technical threshold

China Haitian Group, based in Ningbo, Zhejiang, is the largest manufacturer of plastics machinery in China and one of the top players globally. In the past year, its sales reached 3.28 billion yuan, accounting for over 20% of the total sales in China's plastics industry. Interestingly, when discussing last year’s performance, Chairman Zhang Jingzhang mentioned a peculiar situation: they received an order for an electric injection molding machine worth $15 million but ultimately declined it because they lacked the necessary technology to fulfill it. His remarks unintentionally highlighted a deep-rooted problem in the industry—lack of core technological capabilities. For years, the industry has relied heavily on imitation rather than innovation. "Molding machines are the most critical area where core technologies determine value, yet China lacks significant ones," said Professor Wang Xingtian, a renowned expert in press technology from Beijing University of Chemical Technology. This reality is supported by data: in 2003, China exported 10,800 sets of presses valued at $4.821 billion, while importing 21,400 sets worth $32.551 billion. The gap clearly shows the country’s reliance on foreign technology. True independent innovation involves two aspects: original breakthroughs in core technologies and incremental improvements. However, according to Professor Wu Daming, many Chinese plastic machinery companies have followed an imitation path, lacking independent intellectual property. A common saying in the industry is that domestic companies often end up with just a pile of steel after importing key components. The press industry should be a high-tech sector, yet many Chinese companies focus more on volume than innovation. For example, Japan’s Nissei Corporation, though not the world leader, operates five research centers and employs 46.1% technical engineers, with over 1,470 patents. In contrast, even a top company like Ningbo Haitai has only 18 patents, three of which are invention-level. Professor Wang pointed out that the structure of the plastics industry chain limits innovation. Small-scale enterprises dominate the market, leading to fragmented production and intense price competition. Many produce low-tech daily-use plastics, relying on cheap labor instead of advanced machinery. As a result, downstream companies rarely invest in high-end presses, further stifling innovation. Zhang Jingzhang noted that Haitian has been working to develop its own core technologies through foreign technology absorption. However, other companies simply follow in Haitian’s footsteps, creating a homogenized market. High-end products such as precision injection molding machines, one-step blow molding units, and twin-screw compounding systems require major breakthroughs, but few domestic firms can produce them. Still, there are signs of progress. Haitian recently launched a second-platen injection molding machine that saves steel. The Changchun Institute of the Chinese Academy of Sciences, in partnership with Mengxi Hi-tech Group, developed the world’s first 3,000-ton carbon dioxide copolymer production line, solving key challenges in mass transfer and heat exchange. Shaanxi Qinchuan Plastic Machinery also invested nearly RMB 10 million to create a 6-layer co-extruded blow molding machine, becoming only the third company globally to do so. Breaking through core technology remains challenging, but it is essential for the future of the industry. It’s the only way forward—and it’s now widely recognized as the industry’s shared goal.

Warping Machine

Warping machine is a textile machinery used to prepare yarns for weaving. It is used to wind yarn from a cone or a bobbin onto a larger spool called warp beam. The yarn is wound in a parallel and evenly spaced manner, with the number of yarns and the length of the warp determined by the weaving requirements.

warping machine


There are different types of warping machines available in the market, including:

1. Direct Warping Machine: This machine is used to warp yarn directly from the cone to the warp beam. It is suitable for small-scale production and can handle a limited number of yarns.

2. High-Speed Warping Machine: This machine is used for large-scale production and can handle a high number of yarns. It is designed to warp yarn at a high speed and with precision.

3. Yarn Warping Machine: This machine is used to warp yarn for knitting machines. It is designed to warp yarn in a circular manner and is suitable for producing tubular knitted fabrics.

DS 21x40


We also produce Filament Warping Machine, Elastic Warping Machine, Split Warping Machine and sectional split warping machine, warping machines are essential textile machinery used to prepare yarns for weaving. The type of warping machine used depends on the production requirements and the type of fabric being produced.

Warping Machine,Direct Warping Machine,High Speed Warping Machine,Yarn Warping Machine

suzhou cotex international Co.,Ltd , https://www.cotexmill.com