The registration address of henan zhang zhengxiang environmental technology ltd. Is located in a group of 10 groups in the village of kam jinguchi, in the city of zheng yi, in henan province. The registration body is the market supervision authority of the city of zhong yi, represented by legal persons, and operates on general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; manufacture of specialized chemical products (without dangerous chemicals); production of chemical products (other than licensed chemical products); manufacture of special equipment for environmental protection; manufacture of gas, liquid separation and pure equipment; sale of specialized chemical products (other than dangerous chemicals); sale of specialized equipment for environmental protection; sale of gas, liquid separation and pure equipment; atmospheric pollution control; water pollution management; sewage treatment and reuse; water pollution prevention and treatment services; environmental advisory services; engineering services; installation of general mechanical equipment; import and export of technology; import and export of goods (in addition to the legally approved projects, autonomous operations under the legal licence)