SUZHOUDOUSON DRILLING &PRODUCTION EQUIPMENT CO., LTD(herein referred to as DOUSON)specializes in designing and producing forged material, wellhead equipment( API 6A valves), 6D pipe line valves, x-mas tree, manifold fracturing equipment China. Our company was established 2001 ...
Telephone:86-18662201276
Address:Suzhou, Jiangsu, China
Chengdu Huilingfeng Diamond Bit Co., Ltd (hereafter abbreviated as HLF) is a professional enterprise mainly engaged in the development and manufacture of diamond bits used oil gas fields. HLF has strong technical force production team who been bit for many years. set up an advanced line, which ...
Telephone:86-028-83920891
Address:China