The plastic building materials industry has now reached a stable and mature stage of development, becoming a key sector within the broader plastics manufacturing sector. Plastic building materials encompass a wide range of products, including plastic pipes, profiles, thermal insulation materials, composite wood alternatives, roofing materials, and interior decoration components. As technology advances and demand grows, the application scope of these materials continues to expand, with an increasing variety and improved performance.
The future of the plastic building materials industry looks very promising. New products are constantly being introduced, and export markets are growing rapidly. The industry is also becoming more concentrated, with leading companies gaining greater market share and achieving large-scale production. Three years ago, among the well-known Chinese pipe manufacturers, only a few had production capacities exceeding 300,000 tons, while most were operating between 80,000 and 100,000 tons annually. Today, many enterprises have surpassed the 100,000-ton mark, reflecting the industry's rapid growth and maturation.
This expansion is not just about scale but also about innovation and quality improvement. Companies are investing in research and development to create more sustainable and efficient solutions that meet the evolving needs of the construction industry. As a result, plastic building materials are becoming an essential part of modern infrastructure and residential development.
Jiuzhi Plastics Network
Set Screws
Fastening Screws, also known as positioning screws, fastening also known as machine rice screws, headless screws, stop screws
1. Application scope: Hexagonal set screws with concave end are used for machine parts with high hardness requirements or frequently adjusted, and are a kind of screws designed for fixing the relative positions of machine parts.
2. Commonly used fastening type: flat end fastening, tip fastening, concave end fastening, column end fastening
3. Reference standards.
Flat end fastening: GB77, DIN913, ISO7026
Tip tightening: GB78, DIN914, ISO4027
Concave end tightening: GB80, DIN916, ISO4029
Column end tightening:GB79.DIN915.ISO4028
Socket Set Screw ,Hex Set Screw,Set Screw Types,Cup Point Set Screw
Kunshan Zhonggu Precision Hardware Co., Ltd. , https://www.zgfastener.com