Henan tengging construction equipment ltd. Is registered at 58 kyeongnan road, 27 zhengzhou, henan province 1507th floor of building 3 in zhengzhou, with the registration authority being the market supervisory authority of area 27 of zhengzhou city, with representation of legal persons, operating on general projects including: sale of building materials; sale of steel bars for construction; manufacture of rubber products; sale of building waterproof and waterproof products; sale of building waterproof products; manufacture of seals; sale of seals; manufacture of steel-resistant and soundproof materials; manufacture of metal structures; manufacture of pentagram products; wholesale distribution of penta gold products; retail sale of hardware; sale of building decoration materials; manufacture of specialized machinery for the production of building materials; manufacture of metal materials; sale of metal materials; sale of fire resistant materials; sale of fireproof materials; sale of heating materials; manufacture of heatproofing and soundproof materials; sale of heat-proofing materials; sale of heat-proof and sound materials; manufacture of light-quality building materials; manufacture of limestone; manufacture of new types of building materials (free of hazardous chemicals); sale of non-hazard chemicals; manufacture of cement materials; production of cement products; production of cement products; technical services for sale of technical design equipment under a legal licence; and technical