Company Profile


DHPI, as main-board listed company at Shanghai Stock Exchange (Stock code: 603856), is a National high-tech enterprise focusing on pipeline system R&D, fabrication, and service. DHPI has become a leader in the plastic pipeline industry depending on high-quality product and superior service, are executive member of China Plastic Pipe Professional Committee, China Gas Association, Shandong Coal Mine Products Industry Association, and pride one of top domestic brand of plastic pipeline suppliers.。

DHPI own 3 main industry base, including pipe, fitting, and new material, 3 main product series, including steel-plastic composite pipe system, HDPE pipe system, and polyolefin material, 2000 product specifications, involve 3 main market fields, including infrastructure, mining, gas, and provide all-around related products of pipeline system and technology solution for customers. Its digital intelligent piping system, including SRTP, PE, PPR, coated steel pipes & fittings, has become one of main suppliers for national strategic engineering, including expressway, high-speed train, potable water for people, airport, brine conveying, stadium, mining etc.

  • 3

    main industry
    including pipe,
    and new material

  • 3

    main product series,
    including steel
    -plastic composite pipe system,
    HDPE pipe system,
    and polyolefin material

  • 2000+

    product specifications

DHPI enjoy hundreds of R&D staff, national CNAS laboratory, and post-doctoral scientific research station. DHPI currently own many patents about pipeline system connection and polymer functional polymerization technology, and is approved by many national authoritative divisions, such as national-level enterprise of performing contract & respecting credit, AAA credit company of China Plastic Association, Province-level Engineering Technical Research Centre, Province-level Enterprise Technology Center, Shandong Province Famous-brand Products, Jining City Mayor Quality Management Award etc.

DHPI, take to promote the whole plastic pipe developing as own responsibility, insist the business strategy of taking market as core and customers as center, continuously improve innovation ability, products structure, and brand competitiveness, devote to provide an integrated solution of safe, pro-environmental, green pipeline system for every customer. DHPI will further emphasize improving products quality, diversified products competitiveness, and differentiated products structure, realize the target of building the industry chain base of intelligent engineering pipeline system, and move ahead for achieving hundreds millions sales and hundreds years brand.