The registration address of hui ding hardware and machinery ltd. In leigh county is at 149 jian street on the town road of yantai city, shandong province. The registration authority is the state's market supervision authority, represented by a legal person, lin quan, which operates in the production, sale and sale of: gold accessories. Sale: steel, metal products, rubber products, hardware products, car parts, mine parts, construction machinery, grinding tools. Import and export of goods and technology (except for state restrictions and prohibitions). (projects subject to legal approval may not operate without the approval of the relevant department)