Company: Hejian Huanyu Petroleum Machinery Co., Ltd. Mob: + 86-18713746034 Phone: + 86-317-3231326 Fax : + 86-317-33231326 Address: No.12 Beihuan , Hejian city, Hebei province, China Contact: ....
Hejian Huanyu Petroleum Machinery Co., Ltd. in China. Was established in 1998. 1) Product : we specializes in manufacturing: Tricone bits, steel tooth bit, milled tooth tricone bit, tungsten carbide....