zuanlongbits@gmail.com

+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

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coal mining drill bit

  • Best Drill Hog Bits For Sale Drill Hog Bits Seller

    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

  • Factory Direct Water Well Drill Bits Hard Rock Drill Bits For Sale Small Rock Mining Drill Bits

    Contact NowFactory Direct Water Well Drill Bits Hard Rock Drill Bits For Sale Small Rock Mining Drill BitsZLONG 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

  • China Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bits/Rock Drill Bits Manufacturer

    Contact NowChina Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bits/Rock Drill Bits Manufacturer1,)Adopt new super hard materials,with long service life during cutting bit process 2,)Greatly improved drilling efficiency in medium hard rock and hard rock. 3,)The blade is durable,do not need to grinding,easy to use 4,)It can be used in the coal mine, such as traffic, water and electricity industries bolting hole drilling. 5,)We could supply the size from Φ25 to Φ42mm. And we also could provide the different strength roof bolting bits, like ordinary type,strengthened type, and super strengthened type.Read More

  • Rock Drilling Equipment Rock Dill Bits Used For Mining Industry Mining Bit For Sale

    Contact NowRock Drilling Equipment Rock Dill Bits Used For Mining Industry Mining Bit For SaleZLONG 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