Established in 1996, Shandong Guanxian Tong'an Traffic Project Co., Ltd. is specialized in producing W-Beam or their beam galvanized highway guardrails, and different types of steel posts (C Posts, U Posts, H Posts, and Sigma Posts). We can also supply bolts, nuts and washers, brackets, spacers and relevant guardrails components. We offer products whose surface treatment is hot-dip zinc plating with great strength, oxidation resistance, corrosion resistance and environmental protection. It is ...   |