non coring bits for mining suppliers

Contact NowNon Coring Pillar Head Bit Pillar Drill Bit For Hard RockZuanlong PDC Pillar Drill Bit has been wildly used to coring-drilling for geological exploratory of coal measure stratum. The normal type is suitable for the f<=10, the reinforced type is suitable for f<=16. Note: Customization are availableRead More

Contact NowBest Price Auger Drill Tools/Mining Bits/Rock Drill Bit Manufacturer/Rock Bit ManufacturerZLONG Company professionally produces PDC drill bits,diamond drill bit,drill pipes and also R&D new products as per customers'request.All the products under control of ISO9001:2000 quality system and passed the inspection of Beijing Rock-drilling Machine Inspect Center and some of them obtained National patent.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.We sincerely welcome our friend both home and abroad to come for business talks.Read More

Contact NowThree-blade Concave Drill Bits Water Well Diamond PDC Non Coring Drilling BitsThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More

Contact NowBest Drill Hog Bits For Sale Drill Hog Bits SellerZLONG Company professionally produces PDC drill bits,diamond drill bit,drill pipes and also R&D new products as per customers'request.All the products under control of ISO9001:2000 quality system and passed the inspection of Beijing Rock-drilling Machine Inspect Center and some of them obtained National patent.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.We sincerely welcome our friend both home and abroad to come for business talks.Read More