Chengdu Xinzhonglian Transportation Facilities Co., Ltd. is a large and medium-sized transportation safety facilities manufacturer integrating research and development, production and sales. The company is a professional construction enterprise providing supporting facilities for expressway, municipal engineering and construction engineering. The company has advanced automatic production line, perfect production process flow, strict quality control system and accurate advanced detection equipment, including automatic forming line of corrugated guardrail, production line of marker and sign, production line of zinc plating, automatic line of zinc plating, automatic line of plastic spraying and production line of small parts. The corrugated guardrail plate produced by the company adopts two processing methods of galvanizing and plastic spraying, which makes the product more corrosion resistant, high strength, wear resistance, high safety and environmental protection. It serves more than 1000 businesses and protects more than 100 million meters of highway safety. The company cooperates closely with the government and has successively undertaken national, provincial, municipal and expressway projects. The completion quality qualification rate is 100%.