Shandong Tangrong steel import and Export Trading Co., Ltd belongs to Shandong Huixin group.shandong Huixin Group is a large steel deep processing enterprise integrating the production, sale and trade of coated steel plates, color coated steel plates, cold-rolled plates and zinc ingots. The group was established in October 2009, located in the hometown of the filial son in the Han Dynasty, Dong Yong - Boxing County, Shandong Province. It has more than 1,000 employees, being equipped with advanced production equipment, and strong technical force.