Hangzhou Fuyang HENT Electromechanical Engineering Co., Ltd. HENT, found 1996 and located in Hangzhou PR China, has over 15 years professional technology and experience in design,manufacture,sales and service for industrial machinery, particularly for cement industrial equipment. We are able to supply valves solution for dry bulk material handling,particularly for cement industry. .Our main products include Electric Ball Valve (Aeration contorl for fluidization air for aerating the silo bottom), Flow Control Gate, Pneumacitc Globe Valve, Slide Gate, Rotary Air Lock Valve,Rotary Gate,Distribution Valve, Two Way Gate,Coal Rotor Scale,Grate Cooler etc. The quality and innovative designs are recognized by many global users and EPCs in China and abroad, including China Resources Cement Holdings Limited, SINOMA,TCDRI, HCDRI ,SUNNSY Group, Lafarge Group, Holcim Group, NRCC&SPCC (Saudi Arabia), KCCL & GCL (Pakistan) etc.Our DQF series Electric ball valve, used in silo(bin) bottom rotating aeration control system, had been patented by State Intellectual Property Office of the PR China (Chinese Patent No: ZL01 2 69494. 0).We hav been accredited with ISO9001:2000 certification, the valve products have an 80% share of the domestic market and are also well-known worldwide.These products serve in over 300 cement plants throughout the world, handling a wide variety of materials:cement,clinker,coal,limestone,gypsum,fly ash,raw meal etc.Our cement clinker cooler is the fourth generation grate cooler,the design distinguishes itself from traditional grate coolers. It has a top shell, bottom shell and grate bed in the centre. There are air chambers under the bottom shell, which are connected to air blowers. The unit is fitted with a clinker crusher. There is a 5 degree angle between the cooler and ground after installation. The grate comprises several air cooling units with a fixing grate plate, without leakage and conveyor. The pushing rods move forwards and backwards to convey the clinker which is actuated by hydraulic cylinder under the grate shell. There are 4 further improvements and development on the grate cooler.We sincerely look forward to, hand in hand,creating a glorious future together!