zuanlongbits@gmail.com

+86-029-82612068

Products Catalog



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 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

  • 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

  • PDC Hole Opener Drill Bit With Extremely Fast Penetration Rates And Very Long Working Life

    Contact NowPDC Hole Opener Drill Bit With Extremely Fast Penetration Rates And Very Long Working Life1). Our prodcut has been approved by ISO9001; 2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,ect. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More