Ningbo Yierka Company has two branches: 
Ningbo Yierka Seals Co., Ltd. is an enterprise specialized in producing and researching hydraulic seal, pneumatic seal, coupling cushion, car rubber parts, molded rubber parts, ptfe gaskets. It has the history of manufacturing TPU hydraulic seals more than 20 years. Since 1991, the company took technical corporation with Sciences Academy of China, Hefei Branch and has succeeded in turning our series of hydraulic seals to be used in mine, hydraulic system, plastic jetting machinery, engineering machinery and so on.
The company has abundant technology, senior research fellows advanced physical and chemical labs. It can produce according to the polyurethane, polytetrafluoroethylene and...