━━ PRODUCT INDEX ━━
Good workers participated in the whole process of self-reliance and independent production of industrial valves and made contributions.
GATE VALVE
The relentless pursuit of perfection
GLOBE VALVE
The relentless pursuit of perfection
BUTTERFLY VALVE
The relentless pursuit of perfection
BALL VALVE
The relentless pursuit of perfection
CHECK VALVE
The relentless pursuit of perfection
CONTROL VALVE
The relentless pursuit of perfection
ELECTRIC VALVE
The relentless pursuit of perfection
PNEUMATIC VALVE
The relentless pursuit of perfection
━━ 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.
View More >>━━ OUR CERTIFICATE ━━
