Sumec Corporation Limited engages in the supply and industrial chain business in China. The company offers power tools, including cleaning products, garden tools, and agriculture machinery; power generating equipment; high-speed rail parts; auto parts comprising aluminum wheels; textile and garment products; home textile products; school uniforms; engines; garden machinery; cleaning machinery; and gasoline generator sets. It engages in the bidding and import of electromechanical equipment; and domestic and foreign trade of bulk commodities, such as steel, iron ore, wool, mineral products, coal, wood, petrochemical products, building materials, and textile raw materials. In addition, the company offers sewage treatment, garbage treatment, soil remediation, kitchen waste treatment, degradable plastics engineering services; environment engineering services comprising project consultation, financing, engineering design, complete equipment supply, construction, operation, and management services; and investment and financing services. Further, it provides clean energy solutions, such as ground and distributed photovoltaic power stations, wind power stations, geothermal and biomass power stations, and hybrid power stations; and shipyards, general cargo ships, and bulk carriers. The company also exports its products. The company was formerly known as Changlin Company Limited and changed its name to Sumec Corporation Limited in October 2017. Sumec Corporation Limited was founded in 1961 and is based in Nanjing, China.