CHINA.ZHEJIANG KAIYU DRILLING BITS CO., LTD

1)Rock drilling for hard formation 2)medium hard formation and crack-not-grown formation 3)rock formation must not exceed

1)KQ hammer series 2)the quality is creditable 3)the price is the lowest in all country 4)factory supply directly, long using

1. Manufacturer of varies button bit 2. Retrac button bit, tapered button bit etc 3. High efficiency, long use *****:9001:2000 5.Shape:Accordin

***** drilling for hard formation, ***** hard formation *****-not-grown formation ***** formation must not exceed

1)rock drill bit 2)ISO9001/DIN Certificate 3)a professional and technical personnel are manufacturer of various drill bit

***** BIT ***** price is reasonable 3.has two plugholes, Low air pressure dth bit 4.High quality with long time life ***** Europe, Afica, America

*****9001 Certificate 2.High quality, resonable and competitive price ***** air pressure Dth bit ***** time is 15 days ***** colour etc is as your

1)chisel bit, horse bit, rock bit, carbide bits. 2)Material: High manganese steel, carbide 3)ISO9001 Certificate 4)high quality, best price 5)mad

1)coal electric bit, rock bit, carbide bits. 2)Material: High manganese steel, carbide 3)ISO9001 Certificate 4)high quality, best price 5)made

1)Rock drilling for hard formation 2)medium hard formation and crack-not-grown formation 3)rock formation must not exceed