Century City

Guizhou Viton Rock Tools Co.,Ltd herein after referred to as GZVT. it was foundation in 1998, we has been striving to provide the customers with a fast, stable and economical solution for rock drillin...

drag bits, step drag bits, chevron drag bits, 2-wings drag bits, 3-wings drag bits, 4-wings drag bits, TCI drag bits, rotary drag bits, clay bits, api reg thread drag bits, api if thread drag bits, Ar...

Siming District

Xiamen Better Carbide Co., Ltd., Located in beautiful scenery, convenient logistics sea port garden City---Xiamen, is specialized in producing, developing all kinds of tungsten carbide products, which...