hjbits
hjbits
joined 3 years ago | India India
1
30
9
Haojiang Drilling Tools Co., Ltd.is a professional manufacturer that mainly produces tri-cone drill bits for petroleum development drilling, water well, coal field exploration, engineering development and other purposes, and other types of rock crushing tools.
We Use Cookies. 4shared uses cookies and other tracking technologies to understand where our visitors are coming from and improve your browsing experience on our Website. By using our Website, you consent to our use of cookies and other tracking technologies. Change my preferences
I Agree