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SHANGHAI LIANGGONG VALVE FACTORY CO., LTD.

━━ LIANGGONG STORY ━━

Good workers participated in the whole process of self-reliance and independent production of industrial valves and made contributions.

  • 1946 - 1956

  • 1957 - 1965

  • 1966 - 1976

  • 1977 - 2003

  • 2003 - So far

━━ WHY CHOOSE US ━━

Good workers participated in the whole process of self-reliance and independent production of industrial valves and made contributions.

QUALITY IS SAFETY

TOTAL QUALITY CONTROL, ONLY HIGH-QUALITY PRODUCTS

In 1952, Shanghai Lianggong valve factory, a public-private joint venture, designed and manufactured cast steel valves and Christmas trees of various diameters and pressure grades for the petroleum machinery industry, which were widely used in Yumen, Daqing and other oilfields and later new national major petrochemical projects.

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━━ OUR CERTIFICATE ━━