The registered address of the hongsein pipeline equipment company, ltd., is located in the south section of the western village, west village, west village, city of qui. The registration authority is the city market supervision authority of qui. The legal entity is represented by qinghui and operates in the following areas: production of plumbing equipment and accessories; sale of: plumbing equipment and accessories, mechanical equipment, water purification materials, fire resistance materials; technical development of new products for plumbing fittings; repair of plumbing accessories and technical services; and import and export of goods and technology (with the exception of goods and technologies which are subject to approval under national laws and regulations)。