The registered address of zhiyang state road, ziyang district, ziyang province, shandong province, is workshop no. 202, zilong sea industrial park, no. 5, with the registration authority being the ziyang district market supervisory authority, with legal representatives and covering technical development, technical advice and technical extension services for chemical products; research and development in biotechnology; chemical products (without dangerous chemicals), feed additives, food additives, detergents, hardware products, sales of building materials, decorations, metal products, ventilation equipment, toilet materials, construction materials; transport of general cargo roads; design, production, agency, publication of domestic advertising operations; installation of billboards; construction of renovation works, steel structures. (projects subject to legal approval may not operate without the approval of the relevant department)