The registration address of the city of lei is located in bayhead village of the town of hae hae, the city of yantai, shandong province, with the registration authority being the state's market supervision authority, represented by a legal person, yang xiaohua, and includes the development and promotion of new materials. Sales: metal stripes, blades, electric tools, grinding gear, hardware products, metal surface processors, welders (except for the two above hazardous chemicals). (projects subject to legal approval may not operate without the approval of the relevant department)