Take API610, ASME B73.1, ISO5199 three standard fields as main forces of civilian products, the largest flow up to 20000 m3 / hr, the highest pressure up to 42 mpa, the highest rotary speed up to 22700 r/mim, applicable temperature ranges from 196 ℃ to + 500 ℃, special fields such as hydraulic turbine, our product owns independent patent and intellectual property rights, successfully won qualified supplier qualification of petroleum & chemical industry owner at home and abroad ,EPC.