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 drill bit manufacturers

  • China ISO Manufacturer Of PDC Roof Anchor Bolt Bit Customized Anchor Bolt Bit Sizes

    Contact NowChina ISO Manufacturer Of PDC Roof Anchor Bolt Bit Customized Anchor Bolt Bit SizesZLONG 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

  • Rock Drill Bits/Rock Bit Drilling Rock Bit From ISO Mining Companies

    Contact NowRock Drill Bits/Rock Bit Drilling Rock Bit From ISO Mining CompaniesZLONG 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

  • 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

  • PDC Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices

    Contact NowPDC Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices1,)Customized product is provided,just provide us the drawing,or detailed size; 2,)Free samples is provided, Business started after your test successfully; 3,)Promise you factory price,stable stock,and fast delivery; 4,)If quality is not satisfy your market,cost will be returned to your side; 5,)ZLONG makes quality as its life,best service as its soul.Whenever you need,ZLONG is at your side; 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