Kemai Machinery & Equipment Co., Ltd. is a professional manufacturer of quality rock tools. The major brand name is Maxdrill, products range from button bits, Retrac bit, Integral drill steel, Tapered drill rod, Extension rod, Pneumatic rod, DTH hammer and bits, Shank adaptor, Coupling, to Rock bolting and accessories, which serve in mining, quarry, water well, oil, gas, civil construction and slope stabilization industries.

We also serve customized design, production and service according to worldwide clients' different condition.