Cixi Longshan Hengzheng Plastic Products Factory is the wholly-owned subsidiary of Sanpang Mould Factory which established in 1995. Occuping an area of of 3200 square meters and with more than 50 staffs, Hengzheng specializes in plastic product designing and mould manufacturing. It annual output more than 350 sets of injection moulds with high-precision mould manufacturing equipment, and the maximum mould specification can reach 8 tons. The company also engages in the production of various customized Plastic products. It designed and produced more than 1,200 kinds of plastic folding stools, and the products are exported to overseas and have a certain reputation in the industry.