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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pdc drag drill bits

  • PDC Concave Drilling Bit/ PDC Cutter Bit For Hard Formation Oil Drilling

    Contact NowPDC Concave Drilling Bit/ PDC Cutter Bit For Hard Formation Oil DrillingZLONG 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 Roof Bolt Drill Bit Two Wings PDC Drill Bit Anchor Drill Bit

    Contact NowPDC Roof Bolt Drill Bit Two Wings PDC Drill Bit Anchor Drill BitPDC anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.Read More

  • PDC Rock Hole Reaming Drill Bit Supplied By ISO Manufacturer Form ZuanLong China

    Contact NowPDC Rock Hole Reaming Drill Bit Supplied By ISO Manufacturer Form ZuanLong China1). 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