D&J Power Co., Ltd. is a leading manufacturer( first in China Mainland) and exporter of low price high quality, DEK DJ GEK brand air cooled diesel / OHV gasoline (petrol) engine,portable electric power generator, centrifugal water pump, dirt water pump, portable fire fighting pump, power sprayer ,miniature tiller, portable welding & generator set. DEK products have CE and ISO 9002 certificate and have been exported to over 80 countries and regions , including US, Canada, Germany, UK, France, Italy, Netherland, Belgium, Norway, Denmark, Sweden, Finland, Austria, Switzerland, Spain, Portugal, Greece, Japan, Taiwan, Singapore, UAE, Israel,Brazil, Agentina, Mexico, Chile, South of Africa, Australia, New Zealand etc. It may be good for us to explain you with the air cooled diesel engine history in Mainland. D&J Power company are the first manufacturer of air cooled diesel engine in Mainland China, established in 1997, testing 1500 hours without problem.Our engine crankshaft of DEK generator is made of 35CrMoAl, instead of 40Cr. And our bearings of DEK engines are NSK, NTN,crank pin bearings are from Volkswagen. And we adopt oil seal with European technique in intake valve and exhaust valve, all the rubber spare parts are from Japanese factories. The structure of silent DEK generator was designed with patent , it could avoid problems, such as too high lube oil temperature ,( 140-150 C degree),the destroyed cooling fan,we guarantee that the lube oil will not be into the cylinder,and the structure is more convenient to maintain and repair. Our X series of DEK generator adopt half open structure which will reduce noise much, 8 dBa less. And for OHV DJ gasoline engine series,they were produced in Mainland since 2000, D&J Power company are also one of leaders in this field with our abundant experience in diesel engine for diesel engine is more complicated than gasoline engine, the cylinder blocks of our GEK gasoline engines are processed by CNC, and the oil seals are made of fluorid rubber . We always purchase best quality spare parts since D&J Power established in 1997, so we could promise that our products quality are best in China.