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Focus on pressure vessel R&D and production22year

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Company Profile
Qingdao Haikong Pressure Vessel Co., Ltd. was established in 1996. The company is mainly engaged in the research and development and sales of various types of cryogenic insulation, ASME, PED, A2 and D pressure vessels. Qingdao Haikong is a well-recognized pressure vessel manufacturer in the industry and one of the largest professional pressure vessel manufacturers for comprehensive products. The products have been widely used in various nuclear power plants, power plants, food, medical and other fields. The manufacturing process technology of stainless steel pressure vessels is in the leading position in the industry. Qingdao Haikong is a strategic alliance partner of internationally renowned air compressor tank manufacturers. More than 200,000 gas storage tanks are safely and stably operated in various industries. The air and sea pressure vessel manufacturer will strive to create an internationally renowned brand to protect the world's power stability.

Company Profile

  • Business Philosophy

    Satisfying stakeholders

  • Enterprise spirit

    Integrity and innovation

  • Value

    People-oriented, honest and respectful

  • Mission

    Committed to creating world-class quality in manufacturing and solutions in China

  • Vision

    Seiko Manufacturing + Integrated Solutions for Diversified Industrial Group

Company Advantage

  • Professional Technician

    Professional Technician

    The company's middle and senior engineers, senior welders and professional technicians account for more than 35% of the company's total number. The first-class R&D team provides quality assurance for the products.

  • Advanced Device Support

    Advanced Device Support

    The company has more than 60 advanced production equipments, fully meet the design and manufacture of the company's products, and can manufacture a variety of standard and non-standard products according to customer needs.

  • Complete Quality Inspection System

    Complete Quality Inspection System

    The company has a complete organization system, a complete quality management and inspection system, and first-class inspection equipment meets the demanding accuracy requirements.

  • Excellent Customer Reputation

    Excellent Customer Reputation

    The pressure vessels produced by the company are widely used in nuclear power, aerospace, industrial and mining, petroleum, chemical, pharmaceutical, textile, construction and other industries. They are highly praised by local quality inspection departments and users, and become the designated brand of large-scale projects.

  • Painting Equipment

    Painting Equipment

    The outer surface of the pressure vessel shell is coated with anti-corrosion coating by high-pressure airless spraying method, and spraying after shot blasting can greatly improve the adhesion of the coating to the shell and improve the anti-corrosion effect. The thickness of the paint film is uniform, the surface is full and bright, the color quality is uniform, and the thickness of the paint film can be adjusted according to customer needs and working conditions to achieve customer satisfaction.

  • Shot Blasting Equipment

    Shot Blasting Equipment

    The shot blasting machine is mainly used for shot blasting of the outer surface of castings, structural parts and pressure vessel shells, which can completely remove the rust, scale, sand and other debris on the outer surface of components, components and containers. At least GB/T8923 Sa2 requirements can be met.
Five Development Strategies
  • 01
    Establish a national brand
  • 02
    Create unique jobs
    And lean cost model
  • 03
    Establish active marketing Brand system
  • 04
    Establishing a heterosexual tank as a breakthrough
    Integrated solution model
  • 05
    Establish a diversified cooperation
    Matrix expansion mode

Three Major Standards

Seiko quality, the world's three major standard holders!

  • GB150 standard

  • ASME standard

  • PED standard

Nine Systems

  • (1)Raw material and welding safety limit test system
  • (2)RT/UT/PT/MT four large lossless linkage detection system
  • (3)10^-3Pa vacuum container sealing operation system
  • (4)SA2.5 rust removal and standard coating operation system
  • (5)-195°~500° design and manufacturing system
  • (6)Sub-ultrasonic degreasing system
  • (7)Inline lining manufacturing system
  • (8)Low heat plasma welding system
  • (9)US medical food hygiene level surface treatment system
Development Path
Obtained a compressor manufacturing license
1996year
Obtained D1, D2 pressure vessel manufacturing license
2005year
The company moved to the Wangtai factory as a whole
2007year
Get a simple pressure vessel type test report
2008year
Obtained D1, D2 pressure vessel design license
2009year
Company ERP operation online
2010year
Type test report of vacuum insulated cryogenic vessel
Obtain customs import and export rights
2012year
Acquired A2 pressure vessel manufacturing license
Acquire ASME qualification
2013year
High-vacuum low-temperature insulation type test report
2015year
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