Blue Bright Airport International center, Shuangliu, Chengdu, Sichuan, China,510000
Chengdu History Petroleum Technology Co., Ltd.(CDHP) specializes inR&D, production and technical support for precious PDC bits,tricone bits, diamond bits can supply drill pipes welldrilling tools. Its products are used in oil well drilling, gaswell ...
pdc bit, tricone bit, diamond bit, hammer & bits, core bits