The registration address of the city of taian is 809th building, pavilion no. 8 of the thai mountain garden road, located in taian city. The registration authority is the thai mountain market supervision authority of taian city, represented by the legal person wu khun, which operates in the areas of membrane works, earthworks, composite earthworks, waterproofing panels, drainage panels, permeability blankets, excretion blankets, plastic gutters, soft penetrators, earthworking net mats, plastic raw materials and products, fibreglass and accessories, production, processing and sale; plastic shed equipment, engineering machinery and accessories, hardware and power supply, building materials, office equipment, sale of daily goods; environmental works, general cargo. (projects subject to legal approval may not operate without the approval of the relevant department)