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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hole opener drilling

  • 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

  • Drilling Pdc Drag Bit/Step Drilling Bit From ZuanLong

    Contact NowDrilling Pdc Drag Bit/Step Drilling Bit From ZuanLongZuanlong supplies a variety of drag bits for many types of projects drilling needs, including 3 wings type bits for soft and medium formations, 4 wings, especially 4 wings chevron type for harder formations. Each of our bits is machined from a forging to exacting standards and then tipped with tungsten carbide. Mining grade tungsten carbide tips are brazed to the bits wing face for heavy duty bits. Then pin threads are CNC manufactured and wings surfaced hardening subsequently.Read More

  • Matrix Body Non Coring Drilling Pillar Head Bit Non Coring Bit

    Contact NowMatrix Body Non Coring Drilling Pillar Head Bit Non Coring BitZuanlong 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

  • Best PDC Hole Opener Drilling Bit With Extremely Fast Penetration Rates From ISO Manufacturer ZuanLong

    Contact NowBest PDC Hole Opener Drilling Bit With Extremely Fast Penetration Rates From ISO Manufacturer ZuanLong1). 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

  • PDC Drag Bit For Coal Mining/Coal Mining Drilling Drag Bit

    Contact NowPDC Drag Bit For Coal Mining/Coal Mining Drilling Drag BitZuanlong supplies a variety of drag bits for many types of projects drilling needs, including 3 wings type bits for soft and medium formations, 4 wings, especially 4 wings chevron type for harder formations. Each of our bits is machined from a forging to exacting standards and then tipped with tungsten carbide. Mining grade tungsten carbide tips are brazed to the bits wing face for heavy duty bits. Then pin threads are CNC manufactured and wings surfaced hardening subsequently.Read More

  • 2017 Hot Sale PDC Reaming Tool Drill Bit/Hole Reaming Tool Bit From ZaunLong China

    Contact Now2017 Hot Sale PDC Reaming Tool Drill Bit/Hole Reaming Tool Bit From ZaunLong 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

  • PDC Three Wings Drag Bit, Scarp Drill Bit for Well Drilling

    Contact NowPDC Three Wings Drag Bit, Scarp Drill Bit for Well DrillingZuanlong supplies a variety of drag bits for many types of projects drilling needs, including 3 wings type bits for soft and medium formations, 4 wings, especially 4 wings chevron type for harder formations. Each of our bits is machined from a forging to exacting standards and then tipped with tungsten carbide. Mining grade tungsten carbide tips are brazed to the bits wing face for heavy duty bits. Then pin threads are CNC manufactured and wings surfaced hardening subsequently.Read More

  • Buy PDC Reamer, PDC Reamer Drill Bit, Reamer Bit, Reamer Tool, PDC Hole Opener

    Contact NowBuy PDC Reamer, PDC Reamer Drill Bit, Reamer Bit, Reamer Tool, PDC Hole OpenerZuanLong PDC hole opener was originally developed for coal mining and it has been proved to be exceptionally cost effective for geotechnical drilling. PDC core bits have extremely fast penetration rates and a very long working life. The cutters are extremely tough and can core formations such as hard...Read More

  • Coal Mining Tools PDC Core Drill Bit Diamond Core Bit For Drilling

    Contact NowCoal Mining Tools PDC Core Drill Bit Diamond Core Bit For 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.Read More