Jining Yongsen Construction Machinery Co., Ltd. is a manufacturing enterprise integrating the producion, research and development, and sales of constructionmachinery components. Manufacturer and serice provider of large construction machinery accessonies. The company was estalblished in 2016, establisheda sheet metal welding factory in 2018, joined the processing factory in 2019, established a hydrauic hose factory in 2021, and established a centralzedinspection factory for components in 2022. The total investmentis US $10 milion. Land area: 5000 sauare meters. building area. 7000 sauare metersnumber of employees. 260. With 20 years of manufacturing experience, we are mainly engaged in the producion, wholesale, and retal of construcionmachinery components, as well as supporting OEM and ODM. The company has passed the lS09001 intemational standard quaity cerification; PassedIS014001 environmental management system certification; He is a member of China Komatsu Green Foreign Afairs Association.

Gaosong Construcion Mlachinery Co, Ltd. is a manufacturing enterprise integrating the producion, research and development, and sales of constructionmachinery components. Manufacturer and serice provider of large construction machinery accessonies. The company was estalblished in 2016, establisheda sheet metal welding factory in 2018, joined the processing factory in 2019, established a hydrauic hose factory in 2021, and established a centralzedinspection factory for components in 2022. The total investmentis US $10 milion. Land area: 5000 sauare meters. building area. 7000 sauare metersnumber of employees. 260. With 20 years of manufacturing experience, we are mainly engaged in the producion, wholesale, and retal of construcionmachinery components, as well as supporting OEM and ODM. The company has passed the lS09001 intemational standard quaity cerification; PassedIS014001 environmental management system certification; He is a member of China Komatsu Green Foreign Afairs Association.