The registration address of china-ru chemicals (zenan) limited liability is located on the third floor of the office building of the sanjoining new materials trading centre, located in the tianhian district of tiananang, shandong province. The registration authority is the market supervision authority of the tianhian bridge area of jeenan city, with legal representatives yin yee, operating on general items: sale of chemical products (other than licensed chemical products); sale of daily chemical products; sale of feed additives; development of biological feed; sale of food additives; retailing of penta gold products; sale of special labour protection supplies; distribution of daily supplies; sale of daily products; sale of foods for washing agents; sale of internet (other than goods for which a permit is required); information advisory services (other than licensing); marketing of fertilizers; technical services, technical advice, exchange, transfer of technology, technical promotion; sale of specialized chemical products (other than chemicals); sale of new types of catalysts and assistants (other than chemicals that are subject to legal authorization); operation on the basis of a legal licence; and operation of hazardous chemicals subject to specific authorization to the approval of the approval of the relevant sector's activities