We are specialized in tricone bits, PDC drag big diameter and customized bits. Our products mainly used drilling oil well, gas mine water subterranean heat, piling of foundation or construction. serving for contractors since 1983. The quality our is reliable prices reasonable, large quantity ...
Telephone:86-317-3184695
Address:Yngguang, Cangzhou, Hebei, China
zhejaing kaiyu drilling bit co., ltd has long experience on rock process and the latest development of drills. We export our products worldwide to more than 30 countries. 90% its turnover is exported. Mining, quarrying construction customers drive company&＃039;s strategy. Our white bits ...
Telephone:86-0576-82885555
Address:336wenchangwestroad jinqingtown, taizhou city, zhejiang, China