Locating in Laiyang city of Shandong province,Shandong Huayuan Laidong Engine co.,ltd. is an improtant manufacturer of small and medium power diesel engine in northern China. The company was established in June of 1943, it was the grand luxuriant ironworks of the Military Area Command in eastern Shandong of Eighth Route Army originally. Fix the location in Laiyang in 1950 springs. After June of 1958 , successively renamed as power generating machine factory , Laiyang motive power machine general factory , ShanDong Laidong Internal-combustion engine Co., Ltd. Provided funds and set up ShanDong HuaYuan LaiDong internal-combustion engine Co.,ltd. jointly with the source group of China of China with some fixed assets in April of 1997. . There are assets of 860 million yuan now in the company, cover an area of more than 700,000 square meters. Have more than 5000 staff, all kinds of more than 800 professional and technical personnels, among themSenior professional and technical personnel is more than 340. Have built the enterprise for over 60 years, had successively won" the citation of the State Council ", " little national motive force model ", " work certificate of merit by the whole country ' May Day ' " , " national advanced at the basic level Party organization " , " national ideological and political work outstanding enterprise " one hundred residue honorary titles.
　　 The company is engaged in the development , production of the engine and spare part , sell and correlated with foreign trading mainly. The present leading products are as follows, it is a medium and small-scale tractor, related 195 single cylinder series of agricultural transport vechicle, 1100, 1105, 1110, 1115, 1118 (KM130 ), 1122 (KM138 ) , type 1125 , 1130 , 1135 diesel engine, 400,000 sets of annual capacity; It is the agricultural vehicle, midget car, medium-sized tractor, engineering machinery, related L series L375 of harvest machinery, L380 , LL380 , KM385 , L475 , L480 , LL480 , KM485 , LL485 (4L22 ) , 4L22BZ type small bore and multi-cylinder diesel engine, 150,000 sets of annual capacity; It is a light-duty truck, engineering machinery, harvest machinery, large-and-middle-scale tractor related D series 4D30Y , 4D30YB , 4D30A , 4D30B , 4D30BZ , type 496 , 4100 , 4105 , 4110 automobile-used diesel engine of high speed, 80,000 sets of annual capacity. In addition, the company also contracts such business as various kinds of castings , oil pump , generator , starter ,etc. to the outside. The company will also jointly operate with the advanced enterprises of foreign countries, it is world-class to jointly produce, discharge reaches Europe Ⅲ, series of products of Europe Ⅳ standard, thus take shape and take engine as the main business progressively , such industry overall arrangements advancing side by side as various kinds of spare parts , harvest machinery , water pump assembly , generating set , ship aircrew ,etc..
　　In1997,it was awarded the certificate of ISO9001.So far most engine products meet the emission standard of EURO II.A solidity of domestic market is achieved in vast area of China and the products also sell well in many countries of Southeast Asia.Middle East and South America etc.
　　It has more than 50 years experience of engine manufacturing.Within years some world level equipments were introduced to promote it's production capacity like foundry molding lines,sand preparation line,machining centers as well as other maching,assembling and inspection apparatus,To enhance products study and development,the application of advanced instruments like emission testing machine from AVL,Austria and CAD/CAM technology etc.greatly shorten the span of new products research.
　　To　ensure a efficient and full range marketing system,more than 25 marketing divisions,700 market service stations and 400 service supporters are also established all over China.