The black nylon round bar is with the properties of good toughness, strong resistance, oil resistance, earthquake resistance, tensile, flexural strength besides the characteristics of low water absorption and good dimensional stability. So they can be used for high strength wear-resistant parts processing. Cast nylon canbe applied as wear resistant parts to instead of copper and alloy in a wide range of machinery and equipment.

Widely used in chemical machinery, anti-corrosion equipment for gears and parts material. Wear-resistant parts, transmission parts, electric parts, automotive parts, screw to prevent machinery parts, chemical machinery parts, chemical equipment, etc..

High cost performance 

We awe every penny you spend

Tangyin Huanqiu, with 20 years of innovation and development , making sure that every black nylon round bar  reaches the 

highest cost performance , all is because We awe every penny you spend.

Strict quality inspection system                 Perfect performance                                         Tsinghua University manufacturing technology, 100% virgin  material and advanced processing technic makes every  black nylon round bar the best

mutual choice of 30+ countries and over 1 thousand clients    Famous brand for black nylon round bar                  Tangyin Huanqiu - - famous brand for black nylon round bar applied in major       projects.Blue ribbon comes from affirmation of our customers.

Punctual delivery around the world   TANGYIN HUANQIU--opens a punctual supply passage with professional delivery ,and makes sure high quality after sale service covers each corner of the worldBased on different requirement and delivery distance,we provide our customers  with the most safety and high efficient delivery service. And  we only choose the best shipping company ,like china express, Fedex, DHL and etc.