LIANGGU's registration capital is 258 million CNY, with 9 sub-companies that are fully controlled. Valve's sizes can be DN10-5000 and 1/2" ~ 80", pressure from 0.25 to 80.0 MPa and 150 lb to 4500 lb, temperature ranges from -196℃ to 1350℃. It is widely used in power station, nuclear power, petroleum, chemical industry, natural gas, military industry, municipal administration, metallurgy, construction, pharmacy, paper making, coal mine, cement, pollution discharge, environmental protection, energy saving and other industries.