YONGKANG KAIBANG TOOLS CO.,LTD is a professional manufacturer for diamond core drill and power tools ,Our company possesses an excellent research design team , has passed ISO9001 international quality system certification塋�옙igh-class equipments ...

Our company is a professional supplier of rock drilling tools. Especially DTH hammers, bits,drill tubes,coupling sleeves,button bits,cross bits,chisel bits and etc. The quality drill arrives the level foreign same kinds product quality, compared with ...