The registration address of davai purification technology (hebei) ltd. Is located in the goizhou development zone, hebei province, via unit no. 9#1-101 of road no. 2 no. 8 and the registered authority is the market supervision authority of the zone of zhouzhou economic development, represented by a legal person, wu xie bo, which operates on general projects such as technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; the manufacture of specialized equipment for environmental protection; the sale of specialized equipment for environmental protection; the manufacture of gas, liquid separation and pure equipment; the sale of gas, liquid separation and pure equipment; manufacture of specialized machinery for water resources; manufacture of paper products; sale of paper products; sale of type i medical devices; manufacture of refrigeration and air-conditioning equipment; sale of refrigeration and air-conditioning equipment; general mechanical equipment installation services; general-purpose equipment repairs; specialized equipment repairs; import/export of goods; import/export of technology (in addition to legally authorized projects, operating on an autonomous basis under an operating licence)