Wenzhou Sanzheng Technology Co., Ltd. was founded in 2021, with a registered capital of 38.87 million yuan. It is a large-scale enterprise integrating production, research and sales. Currently, it specializes in manufacturing hollow boards, pipe protection rings, plastic pipe caps (6mm - 3048mm), flanges (valve covers) (DN10 - DN1800), plastic (blow molding) pallets, plastic turnover boxes, and other large-scale plastic products for logistics protection. It is a leading expert in logistics protection for products. The products are widely used in various industries such as chemicals, food, beer, aquatic products, medicine, tobacco, clothing, ports, docks, pipe fittings, valve factories, etc.