Topra focuses on the research and development of plastic products, plastic storage cabinets, plastic mobile toilets, mobile houses, plastic educational equipment production and sales, and a variety of intelligent systems are available. Large outdoor event site, multi-scene application, free consultation: 400-138-0592 Mainly engaged in plastic storage cabinets, plastic mobile toilets, mobile houses, plastic houses, educational equipment, plastic products, etc., has obtained more than 90 "patent" products.