The company manufactures lines for the production of double-wall corrugated pipes made of PE (32-1200 mm) / PVC (200-800 mm), lines for the production of PE pipes for water supply and gas supply (16-1600 mm).
The company has always followed the development trend of the global plastics industry with a spirit of innovation and pioneering.
Qingdao Zhongliang Haixin Machinery Technology Co., Ltd. is located in Jiaozhou Bay Industrial District, Jiaozhou City, Qingdao. Its facilities cover 30,000 square meters and its construction area is 18,000 square meters. It is 10 kilometers from Qingdao Jiaodong International Airport.
The company boasts a strong technical foundation and robust development capabilities. Under its advanced management system, it utilizes new technologies, new materials, and new processes to produce a variety of double-wall corrugated pipe extruded production lines, as well as water and gas pipe production lines.
The company adheres to the development goal of winning through technology and is committed to providing domestic and international customers with superior quality and well-manufactured corrugated pipe forming equipment and production lines, and to achieving corporate profits for customers through advanced technology and high efficiency. Zhongliang Haixin is committed to working hand in hand with our customers to create a better future!
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The company manufactures lines for the production of double-wall corrugated pipes made of PE (32-1200 mm) / PVC (200-800 mm), lines for the production of PE pipes for water supply and gas supply (16-1600 mm).
Plastic PE Pipe Crushing Machine Production Line is designed for crushing and recycling waste PE and HDPE pipes, production scraps, and discarded plastic pipes. The system can reduce large pipe waste into manageable pieces for further washing, drying, extrusion, or pelletizing. It helps improve material utilization, reduce waste volume, simplify storage and transportation, and support efficient plastic recycling.
Big-bag washing and shredding line is designed for recycling used PP big bags and woven bags. The complete system combines plastic shredder, plastic crusher, washing, dewatering, and drying equipment to produce clean recycled PP flakes. An extruder and pelletizing system can also be added to produce recycled PP pellets.
Learn about common startup problems with PE/PP double wall corrugated pipe production lines and effective solutions for extruder, vacuum, cooling, and forming equipment.
Our PE pipe production line has been successfully shipped to Uzbekistan. Learn about the PE pipe extruder, production process, main equipment, advantages, and applications.
Discover how a two-stage pelletizing line improves plastic recycling through efficient melting, homogenization, melt filtration, and stable pellet production for recycled polymers.
Discover how modern WPC production lines and extrusion machines improve the efficiency, quality, and sustainability of wood plastic composite profile manufacturing.
Discover the 20–110 mm PE pipe coiler and how it improves automatic winding, handling, storage, and production efficiency on modern PE pipe production lines.
Learn how a PVC double pipe production line improves productivity, efficiency, automation and product quality while reducing production costs in modern PVC pipe manufacturing.
Learn how to optimize the raw material ratio for three-layer co-extruded PE pipes based on layer function, PE grades, pipe application, wall thickness, performance requirements, and production standards.
Learn how three-layer co-extruded PE pipes are manufactured, from raw material feeding and extrusion to co-extrusion, vacuum calibration, cooling, hauling, cutting, and quality control.
Learn how to solve common problems in PE and multi-layer plastic pipe production, including uneven wall thickness, diameter fluctuations, surface defects, layer separation, pressure instability, and extrusion issues.
Learn about the main types and applications of PE, PP and PVC pipes, including water supply, drainage, irrigation, industrial and cable protection applications, plus the extrusion equipment used to manufacture them.
Our products are exported to Europe, Russia, Belarus, Ukraine, Kazakhstan, Uzbekistan and other CIS countries, as well as the Middle East, Southeast Asia and many other countries and regions.
The company has always kept pace with development trends in the global plastics industry, driven by a spirit of innovation.
No. 18, Hong Kong Road, Jiaozhou City, Qingdao, Shandong Province
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