Stone Crushers

Great Wall Company is a professional machine manufacturer with more than 20 years' equipment production experience, which specializes in manufacturing large and medium sized heavy industry machines. The company not only has established system of designing, testing, inspecting and measuring, but also modern production equipment. The company has passed the quality management system certification of ISO9001:2015, CE certificate much sooner than others in our field .

Great Wall Company mainly produces kinds of large and medium sized crushing and grinding equipment, could provide complete materials production line for the area of construction materials, metallurgy, mining, chemical industry, environmental protection etc. The complete lines are stone production line, sand making line, powder grinding line, etc. The company established a complete and effective service system, built an experienced service team. We not only arrange clients' site, make diagram and foundation for free, but also send engineer to guide for installation and commissioning, meanwhile to provide professional technical training. Our products are sold well both in domestic and abroad, especially in Eastern Europe, Middle East, Asia, Africa, North and South America, Oceania and so on.

Great Wall Company has professional excellent technology and great production strength which can meet customers' growing demands. We will keep improving ourselves without any stop to develop our company into a well-known international enterprise with core competitiveness.

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!