China Sheet Metal Parts
Petroleum Fittings China

About us

Cangzhou Changrui Hardware Products Co., Ltd. was founded in 2006, is a production of hardware products enterprises; The main products are auto parts, oil parts, fasteners, etc., as well as metal stamping parts, electronic and electrical parts production and sales; Processing and sales of chassis, cabinets and plastic parts; Import and export of goods, import and export of technologies (except for the import and export of goods and technologies prohibited by the State or involving administrative approval), surface coating processing of metal objects; Spring manufacturing and sales, the company began in 2010, business performance by leaps and bounds; In 2016, the total output value of the enterprise continuously exceeded 60 million yuan, and went to a higher level; 2020 transformation, a change in the traditional production mode, active innovation, learning foreign advanced management concepts, performance climbed again! Facing the fierce competition in domestic and foreign markets, the factory determines the development direction of the factory in the planning, with the purpose of "quality first, service first"; With the concept of quality, quantity and delivery time, we strive to satisfy customers with product prices. With strong technical force and quality service, the company has won the praise of customers.

Featured Products

  • Insert Coupling

    Insert Coupling

    Insert Coupling is a highly efficient and durable mechanical connection component designed to compensate for shaft misalignment and absorb vibration shocks. The combination of elastic insert elements (e.g., polyurethane, neoprene) and high-precision metal structures is suitable for high-torque scenarios such as industrial transmissions, energy equipment, and automotive manufacturing, with core advantages including: high fault tolerance, dynamic adaptability, multi-scenario compatibility, and quick installation.

  • Flange Octagonal Gasket Ring

    Flange Octagonal Gasket Ring

    Flange octagonal gasket ring is a metal sealing element for high pressure, high temperature pipeline flange connection, the cross-section is octagonal, by contacting with the inner and outer sides of the flange trapezoidal groove compression to form a seal, belongs to the radial self-tight sealing structure.

  • Oil And Gas Double Stud

    Oil And Gas Double Stud

    Oil and gas double stud is a fastener with threads on both ends and an unthreaded light bar in the center, usually used in conjunction with a nut, and is used in connection scenarios where high strength and stability are required.

  • Heavy Hex Bolt

    Heavy Hex Bolt

    Heavy Hex Bolts are high-strength connectors with a hexagonal head that are typically used in applications where high strength and reliability are required. They are widely used in many industries and fields for their excellent load carrying capacity and tensile strength.

News

  • What is the function of oil and gas double headed bolts?

    What is the function of oil and gas double headed bolts?

    The main function of oil and gas double head bolts includes connecting and fixing various components in oil and gas equipment to ensure the stable operation of the system. Specifically, the oil and gas double headed bolts can effectively connect and fix components such as pipelines, valves, flanges, etc. through their threaded design at both ends, preventing leakage and loosening, thereby ensuring the safe operation of oil and gas equipment.

  • What are the application ranges of flange octagonal gasket rings?

    What are the application ranges of flange octagonal gasket rings?

    The flange octagonal gasket is a solid metal gasket with a cross-sectional shape of octagonal made of metal material through forging, heat treatment, and mechanical processing. It has a radial self tightening sealing effect and is a type of standard R-shaped metal gasket. Its working principle is that the gasket contacts the inner and outer surfaces (mainly the outer surface) of the flange ladder groove, and is compressed to form a sealing effect.

  • What are the characteristics of heavy-duty hexagonal bolts?

    What are the characteristics of heavy-duty hexagonal bolts?

    The main characteristics of heavy-duty hexagonal bolts include high strength, high tensile strength, high temperature resistance, and good mechanical properties.

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