The registered address of apl is the guly industrial park in the city of changju. The registration authority is the administrative approval board of the municipality of changwei. The legal entity is represented by li wei wei, and operates in the areas of machine-bed maintenance, technical services, mechanical equipment, machine-bed fittings, accessories, engineering blades, industrial knives, hardware, electronics, metal materials, electrical tools, instrumentation for detection, bearings, refrigeration equipment, compressors and accessories, and the sale of lubricating oil. (projects subject to legal approval may not operate without the approval of the relevant department)