Hebei ZhongCheng Drill Bit Manufacture Co.LTD. .(SRF) was established in 1997. It is a privately owned and proudly company. We have grown to become a leading manufacturer of tricone bit and supplier of high quality drilling tools & equipment, and we excel in designing, manufacturing, and distributing construction industry drilling tools as well as finding custom solutions to complex problems. Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.

    Hebei ZhongCheng Bit Manufacture Co.LTD, our brand SRF maintains a strong reputation in the construction, exploration, water well, geothermal, mining, and oil & gas industries as a company that can provide dependability and high quality products at excellent value.

    We are the expert in HDD drilling field ,no-dig ,trenchless drilling .


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  • IADC Classification Standards

    IADC Classification Standards

    The IADC classification system, developed by the International Association of Drilling Contractors has been the representative voice of drillers worldwide since 1940. This system o

  • IADC DULL GRADING

    IADC DULL GRADING

    An eight point dull grading system has been established by the IADC to enable drillers and bit manufacturers evaluate the performance of a drill bit. This eight point system is des

  • Vermeer Drilling Project in India

    Vermeer Drilling Project in India

    This drilling project includes HDD rock reamer (10inch,20inch,30inch )Barrel reamer and fly cutter 18inch 28inchTricone Rock Bit (7 7/8inch IADC637,9 7/8inch IADC637)

  • IADC Classification System For PDC Drill Bits

    IADC Classification System For PDC Drill Bits

    TheIADCclassificationsystem,developedbytheInternationalAssociationofDrillingContractorshasbeentherepresentativevoiceofdrillersworldwidesince1940.Thissystemhasenableddrillersworldwi

  • API Standards For Rock Bits And PDC Bits

    API Standards For Rock Bits And PDC Bits

    API standards, as established by the American Petroleum Institute, enable drilling professionals the world over to communicate clearly.he American Petroleum Institute:*maintains mo

  • Number of Nozzles

    Number of Nozzles

    NozzleSize123456787.0376.0752.1127.1503.1877.2255.2631.30078.0491.0982.1473.1963.2454.2945.3435.39279.0621.1242.1864.2485.3106.3728.4249.497010.0767.1534.2301.3060.3835.4602.5369.6

  • PDC drill bits, or fixed cutters, come in either matrix

    PDC drill bits, or fixed cutters, come in either matrix

    PDC drill bits, or fixed cutters, come in either matrix or steel body. One might ask, What is the difference? and Which one do I need?Matrix body fixed cuttersare made from tungste

  • The 7th China International Petroleum

    The 7th China International Petroleum

    The 7th China International Petroleum Petrochemical Technology and Equipment Exhibition(abbr. cippe 2015 Shanghai), will take place with China International Offshore Oil Gas Exhi

  • Hebei Zhongcheng Drill Bit Manufacture Co.LTD

    Hebei Zhongcheng Drill Bit Manufacture Co.LTD

    Hebei Zhongcheng Drill Bit Manufacture Co.LTD. .(SRF) was established in 1997. It is a privately owned and proudly company. We have grown to become a leading manufacturer of tricon