Solidkey Petroleum Machinery Co., Ltd. established in 1990, essential products are Tricone bits, single cone hole opener, drag bit, PDC stabilizers, interrelated drilling equipments.There is 30 years experience on well by advanced technology and equipments, establish a long-term ...
Telephone:86-3173184665
Address:Cangzhou, Hebei, China
Hejian Deris Petroleum Drilling Equipment Co.,Ltd ...
Telephone:86-03175586567
Address:河间市, Cangzhou, Hebei, China