Industry start from year 1995, as Northern China's premier safety facilities specialists on highway, "Yin Group" focus our industry scope in highway guardrail systems (Crash Barrier Systems) and Steel Gratings professionally, the business line include manufacture and installation & removal services. Our registered capital is 100 million of China Currency (China Yuan) totally , China Currency of 50 million for each company of "Huiyin Co." and "Yinxin Co." Ministry of transport of the people's republic of china have authorized "Yin group" as the designated manufactures of steel engineering for transport facilities. While you are driving on the highway in anywhere China, chances you are enjoying our guardrail system, our guardrail products spread to cover almost 1/4 of the total mileage of china expressway. Year 2003: Passed the ISO9001 National Standard Quality System Authentication. Registration no.: 0350401054ROS. Year 2011: Passed the engineering construction enterprise quality management standards (Code for quality management of Engineering) GB / T50430-2007. Relying on its strong production capacity, advanced testing method and scientific management system, we manufacture directly the series steel products of hot-dip galvanized with high quality and reasonable price, and offer installer service for worldwide markets. Please visit our industry in China, you will gain one more dependable partner.