The German WILO valve is one of the main production and suppliers in fluid control domain in Asian and Pacific area. the company devotes to the scientific research development fluid control valve and produces fluid control device system,which its headquarters is located at Frankfurt, sets up a number of bases in the production of valves in many countries. The company products user involves the petroleum, the chemical industry, the electric power, the metallurgy, the drugs manufacture, food, the water treatment, the municipal administration to give draining water, the natural gas, the papermaking, the electronics industry, the building, the mechanical device necessary ect.. The German WILO valve main product includes: the ball valve, the gate valve, the solenoid valve,the needle valve,the butterfly valve,the check valve,the shut-off valve,the safety valve,the adjusting valve,the drain valve,the plug valve,the diaphragm valve,the exhaust valve,the breathing valve,the filter,the falme arrester,the angle valve,the balance valve,the pressure reducing valve,the block valve,the high pressure valve,the pneumatic valve,the morto