Our main products are steel welded ball valve; include: full welded ball valve, flanged end ball valve welded, buried extension bar fully welded ball valve and so on. Materials are WCB (A105), 304,304 L, 316,316 L, etc.; Path has DN15-DN400 (1 / 2 "-16"), pressure PN1.6 Mpa-PN6.4 Mpa driving modes: manual, worm gear rotation , pneumatic, electric, hydraulic, etc.; implementation of the standards: strict enforcement of API6D, ASTM, MSS, ANSI, JIS, DIN, ISO, GB and other international standards and national standards. Allstate series valves are widely used in oil and gas, chemical, electric power, metallurgy, pharmaceutical, municipal construction and other industries, popular throughout the country, while the main exports to Russia, Ukraine, Denmark, Chile, Europe and the United States and South Korea and other Asian countries and regions, praised by customers!