The registration address of henan swe oil and oil engineering limited is located on the 14th floor of building no. 133, located on 9th floor of the golden water zone in jinzhou city, henan province. The registration authority is the market supervision authority for the golden water zone in zhengzhou city. The legal entity is represented by zheng yung yung ying, which operates on the basis of services for the design of oil and grease engineering; commercial, storage, food engineering design services; sale, technology development, technical advice, installation and maintenance services for food and oil processing plants; import and export of goods or technology; installation works for mechanical and electrical equipment; software and hardware development, marketing and technical services for industrial automated control systems; and wholesale and retail: mechanical and mechanical equipment。