... ,DTH Drill Pipes, Reverse Circulation Hammers and Bits; Hollow Drill Steels for small hole drill rods: H19, H22, H25 H28 Drill Steel Rods; Hollow Drill Steels for long hole drilling rods: R32, R38, R25, T38, T45, T51, ST58/68 and GT60 Drilling Rods. ...

Zhongzuan(Chongqing)Precision Tool Manufacturing Co.,Ltd was found in 1995 and specialized in researching and producing high-quality hole saw bits and drill bits over 26 years,always aiming to be the leader and produce the best products. “ZhongZuan” was ......

Shunde K M Hardware & Tools Firm located at beautiful and rich shunde, Foshan , we are hardwaretool exporters in our country.we have handled this commodity for more than10 years and have connections all over the word.we production and polishing for ......