The registration address of shandong zhengxin chemical technology ltd. Is located in risheng street, steel city, shandong province; in room 206, north exterior of rissin street and twin spring road, with the registration authority being the market supervision authority of jinan city's steel area, where legal persons are represented on general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; marketing of fertilizers; marketing of chemical products (other than licensed chemical products); retailing of hardware; sale of construction materials; sale of architectural decoration materials; sale of metal equipment; sale of electronics products; sale of equipment for electronic appliances (restricted only); sale of day-to-day consumer goods and construction equipment; sale of glass products on a daily basis; sale of office supplies on a daily basis; sale of cosmetics; sale of special labour protection supplies; sale of rubber products; sale of plastics; sale of electrical appliances; distribution of car spare parts; construction of park green works; sale of machinery equipment; sale of non-subsistly packaged seeds; construction of non-main crops and construction of dangerous crops; sale of dangerous pesticides; sale of pesticides; sale (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)