JS INTERNATIONAL, a highly specialized company, is well capable of the following services:  Offer mining, quarrying, contractor equimpent and tools Our major range of products are: ---Rock drilling equipment and accessories (Chisel/cross/button bits, integral/tapered drill rods etc.) ---Diamond core bits, diamond cutting discs/wheels  ---Down the hole hammer and bit ---Tungsten carbide rock bits, Milled tooth rock bits, tricone bits; ---Auger bit and accessories; ---Blast furnace tapping equipment (rods and bits) ---Rock bolts and drill bits for rock bolting  ---Paving breakers and pick hammer tools,  ---Engineering geological equipment and accessories; ---Various sorts of raw material used for manufacturing rock drilling and contractor tools/equipment, e.g. hollow drill steel, tungsten carbide tips/buttons/inserts   JS INTERNATIONAL-Rock drilling bits,Rock Drilling tool