Sichuan zhihongthing technologies ltd. Is registered at the shangjiang strait science and technology development park at 255 xinhua avenue, the registration authority is the market and quality control authority of the city of chengjiang, represented by the legal person shen yuqin, and operates in the following areas: research and development, production and sale of: purification equipment and accessories, paintboards, assembly houses and containers; sale of aluminium, stainless steel, purification equipment, steel, soundproofing materials, hardware accessories; construction of steel structures; installation design, construction of purification equipment; and rental services. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities)。