VICOME Pipe Invested and controlled by Shandong Shengli Co., Ltd. (stock code: 000407), a subsidiary of China Petroleum Gas Group Co., Ltd., established in 1994, is a manufacturer focused on polyethylene pipelines. The company is dedicated to the research and production of polyethylene pipeline system products, with two major PE pipeline production bases in Dongying, Shandong and Dazu, Chongqing, serving customers across the country.

As an industry leader, the company has organized and participated in the drafting of several national, industry, and local standards and specifications including GB/T13663 series national standards for polyethylene pipes for water supply, GB15558 national standards for buried polyethylene pipes for gas use, CJJ33-2005 'Construction and Acceptance Specifications for Urban Gas Transmission and Distribution Projects', etc.; it has undertaken and completed research projects under the national '15th'863 plan and '11th' National Science and Technology Support Plan, significantly promoting industry development and technological progress.

The company always takes promoting industry development as its mission, adhering to the business philosophy of 'Customer First, Quality Wins', insisting on a service policy of 'Integrity, Efficiency, Relevance', providing users with specialized and systematic products and services.

Shandong Qizhi Gas Equipment Manufacturing Co., Ltd., which is also part of Shengli Co.'s equipment manufacturing division, mainly engages in the design, production, sales, installation, maintenance, and technical consulting services of gas pressure regulating equipment, clean energy equipment, oil and natural gas equipment; it also conducts research and development, production, wholesale retail of related products for pipeline networks as well as foreign trade operations involving import/export of goods and technology. It currently has four main product series: PE gas pipeline products, PE water supply pipeline products, gas pressure regulating equipment, gas regulator products. It has established a world-class pipe production line in Cincinnati with a design production capacity reaching 30,000 tons/year. PE gas products cover diameters from Φ20mm to Φ400mm with over 40 varieties. The pressure regulating products include building pressure regulating boxes; high-high; high-medium; medium-low pressure (metering) stations; LNG vaporization skids; CNG pressure regulating stations among others. Regulator products include RTZ20/0.6-QZG* series (building) regulators; RTZ50/0.6-QZGA30* series regulators; RTZ50/0.6-QZGB17* series regulators; RTZ*/1.6-QZZC* series regulators; vent valves among others. Additionally there are corrugated pipe series products and gas stove products. Product specifications strictly adhere to national standards to meet domestic and international product demands in the gas field.