"Three product lines", first of all, is the agricultural machinery engine product line supporting agricultural machinery, construction machinery and generator sets, corn harvesting machinery and other off-road host products. Products for small tractors, three-wheeled, low-speed trucks, large and medium-sized tractors supporting. Mainly for Shandong Wuzheng Group Co., Ltd., Luzhong, Rongcheng Haishan, Taian Guotai, Futian Leiwo International Heavy Industry, Changzhou Dongfeng, Mahengda Yantuo, Luoyang Yi Tuo, Jiamusi Jichi and a large number of private tractor manufacturers around Weifang and Yanzhou, and widely supporting construction machinery and unit manufacturers in Fujian, Laizhou, Qingzhou, Taian and Linyi, as well as corn harvesting machinery in Hebei, Shandong Dezhou and Rongcheng. Among them, 9 types of supporting products for large and medium-sized tractors have been formed, covering 25 to 55 horsepower and extending the production capacity to 80 to 100 horsepower. The second is a slight product line of truck engines. The products are mainly light trucks for Foton Motor, AVIC Panther, Tang Jun Ouling, Shandong Wuzheng, Kyle Automobile, Chengdu Ace, Mond Jinma, Dongfang Man and other manufacturers. The third is the engine product line of multi-purpose passenger cars, mainly supporting mini-vans, high-end light trucks, pickups, SUVs, MPVs and other automobile products from gac gonow and Dongfeng Xiaokang. The company actively implements national environmental protection policies and regulations, and vigorously develops advanced engines that are environmentally friendly, energy-saving and emission-reducing, and engines for light trucks and passenger cars, all of which meet national emission standards III (equivalent to European emission standards III) and IV.