1.About US:

Puyang Zhongshi Group,located in Zhongyuan oilfield, is one manufacturer of petroleum equipment in China. Our pump unit,sucker rod pump,casing centralizer,float collar,float shoe pass the system of API certificate and now active and then last to 2014-10-28.Our products are expoerted to Central Asia, South Asia, Southeast Asia, Eastern Europe, Africa and other countries.

2. Business License/Organization Code/Tax Certificate:

3. Zhongyuan Oilfield Supplier Cerficate:

4.Product Quality/Health Safe/Environment Certificate:

5.API Certificate:

6.Factory show:

7.Detail product picture: