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Development of China's plastic machinery
China's plastic machinery industry has its roots in the late 1950s. As China's petrochemical industry expanded, the plastic machinery sector gradually developed into an independent industrial segment. Over time, it grew into a major global player. Today, China is the world's largest producer of plastic machine parts, with companies like Ningbo Haitian leading the way as the world's top manufacturer of injection molding machines.
In recent years, the plastic machinery industry has experienced rapid growth. The number of manufacturers across the country has exceeded 1,000, with around 400 of them operating on a larger scale and possessing strong capabilities. Since the implementation of the Tenth Five-Year Plan, the industry has seen significant progress, with its overall size expanding considerably. For eight consecutive years, key economic indicators have shown consistent growth, placing it among the top industries within the broader machinery sector.
The promising future of the plastics processing industry continues to drive the development of China’s plastic machinery manufacturing. It is projected that the demand for plastic machinery will grow at an average annual rate of about 6%, reaching approximately 14.5 billion yuan by 2010. This indicates substantial development potential and strong market resilience. Especially in high-tech models such as large-scale, precision, and specialized injection molding machines, low-temperature and high-power extruders used for producing high-resistance and heat-resistant packaging materials, multi-layer co-extrusion blow molding machines, and equipment for manufacturing industrial components like automotive parts, there are excellent growth opportunities.
When it comes to materials used in plastic machinery, the prices can vary significantly. Extruder barrels are commonly made from 48-gauge steel, which is cost-effective but has limited wear resistance. In contrast, No. 38 Luogang aluminum is an alloy that offers better thermal conductivity. Additionally, traction equipment and steel bars often require electroplating to enhance their hardness and durability. These material choices play a crucial role in determining both the performance and longevity of the machinery.