The registration address of henan thong thongsing technology ltd. Is located in the southern section of the east city street of xiongbing road in henan county. The district market supervision authority, represented by legal persons, is operating in the areas of precision casting and processing of car parts; grinding, production and sale of fresh materials; processing, manufacture, maintenance and sale of mine equipment and accessories; sale of metal materials; manufacture, maintenance and sale of railway transport equipment; steel templates, steel structure design, manufacture and sale; import and export of goods