Ningbo Ciheng Import & Export Co., Ltd is an integral corporation of manufactory and trade, several years as a manufacturer cornerstone to our business. Geographical position richly endowed by nature, in the Chang Delta port city Cixi Ningbo, beside Beilun ...

Guizhou Viton dedicated to supply petroleum tools,petroleum equipment,drilling tools, jars, fishing cutting and milling workover oil production fittings of the rig service equipment for deephole drilling,other main drill string tools like pipes,drill ...