polyurethane pneumatic coil/spiral/spring air hose/tube/tubing

Yantai Zhengyuan Polyurethane Co.,Ltd.is a main professional manufacturer of PU spring pneumatic tubes which are made of TPU of excellent quality features including accurate specifications,many colors available and no fading,smooth inside and outside surface, much even tube wall etc.
The TPU used is of resistance to abrasion,high pressure,ageing and tearing.
The PU spring pneumatic tubes from Yantai Zhengyuan Polyurethane Co.,Ltd.apply to many industrial fields like vehicle and parts, machinery and components, control and automation, such as pneumatic tools, automation equipment, pneumatic system etc.

QUALITY CONTROL
We have QC person stay on the production lines to do the products inspection.All products must have been inspected before delivery.
1.All raw materials checked before being used.
2.All pieces and logo and all details checked during production.
3.All packing details checked during packing.
4.All products and packing checked on final inspection after finishing.