The German top valve ( TOP ) is the field of fluid control in the Asia-Pacific region one of the main productionand suppliers, the company is headquartered in Berlin inGermany, the company is committed to research anddevelopment of fluid control valves, fluid control equipment, production systems, in many countries, the productionvalve base.Company Users of their products related to petroleum, chemical, electric power, metallurgy, pharmaceutical, food, watertreatment, municipal water supply and drainage, gas, papermaking, electronic industry, building, mechanicalequipment and other fields.