The registration address is located in the golden locking house on the south side of the salt hill county ceiling road. The registration authority is the salt hill county market supervision authority, represented by a legal person at song's peak. The activities include the production, sale of pipes, pipes and series of products, preservation of temperature, stylings, and the import and export of pipeline hangers, pipes, electrical pipe parts, chemical pipeline parts, hardware accessories, goods and technology. (a project subject to legal authorization may only be operated with the approval of the relevant department; a general project may be operated on its own by law)