Henan hongji mineral machinery ltd. Is registered at chen zhang village, located 30 miles out of the water street in chuang province, henan province. The registration authority is zhengzhou city market supervision authority, represented by legal persons, and operates on general projects such as mine machinery manufacturing; mine machinery marketing; general equipment manufacturing (other than special equipment manufacturing); general equipment repair; specialized machinery manufacturing for the production of construction materials; sale of construction materials; special metallurgy equipment manufacturing; specialized metallurgy equipment marketing; technical services, technology development, technical advice, exchange, technology transfer, technology promotion; general mechanical equipment installation services; information technology advisory services (in addition to licensing); information technology advisory services; import and export of goods; and technology import and export ...