CompanyAdvantage
Excellent Product Quality
Founded in 1976, Huai’an Dongteng New Materials Co., Ltd. is China’s first enterprise specializing in “plastic replacing steel” technology.
Rich Experience In Production
With more than four decades of engineering experience, we focus on developing high-performance polymer components.
After-sales Service
Our products serve construction machinery, automobiles, port equipment, and elevator systems, delivering lightweight, wear-resistant, and corrosion-proof solutions for modern industrial applications.
NewProducts

Founded in 1976, Jiangsu Haida Engineering Plastics Co., Ltd. is China’s first enterprise specializing in “plastic replacing steel” technology. With more than four decades of engineering experience, we focus on developing high-performance polymer components, including nylon pulleys, nylon sliders, PDCPD machinery housings, FRP structures, and plastic fuel tanks. Our products serve construction machinery, automobiles, port equipment, and elevator systems, delivering lightweight, wear-resistant, and corrosion-proof solutions for modern industrial applications.
300+Technical Personnel
152Awards Win
365Shippings Sent
LatestNews
Common Crane Pulley Problems And Solutions (Complete Troubleshooting Guide)
A crane pulley (sheave) operates under continuous load, friction, and environmental stress. Over time, this can lead ...
Crane Pulley Maintenance Guide: Complete Industrial Checklist
A crane pulley maintenance guide helps ensure safe lifting operations, reduce downtime, and extend the service life o...
How To Inspect A Crane Pulley: Step-by-Step Safety Guide
A proper crane pulley inspection is essential for ensuring safe lifting operations, preventing wire rope damage, and ...
What Is A Crane Sheave in A Lifting System?
A crane sheave is a grooved wheel used in lifting systems to guide steel wire ropes and help cranes lift or move heav...












