Certificate

Established in 2006, Tongya is a professional highway guardrail manufacturer. We provide several premium products for our customers, such as steel highway guardrails, guardrail components like guardrail posts, guardrail ends and offset blocks, and wire mesh fences. Through our years of efforts, we have gained several official and industrial recognitions which mainly include:

Galvanized Fence Panels Production Certificate, issued by Ministry of Transportation Test Center, 2006;

ISO 9001 Quality Management System Certification, issued by Beijing Shenzhou Times Authentication Center, 2007.

CE Mark, 2008;

High-tech Enterprise, 2010;

From 2011 to 2014, our company experienced enormous growth. We have established 8 subsidiaries and expanded our operation to America, Europe, Africa, and Southeast Asia. Today, we have the largest production base of road safety products in Jiangbei, Shandong.

  • ISO: 9001 Quality Management System Certification
  • CE Certification of Two-wave Guardrail
  • CE Certification of Three-wave Guardrail

    Add.: New Century Industrial Park, Guanxian, Shandong Province, China.
    Contact Person: Julia Ma
    Tel.: +86-531-67873960
    Mobile: +86-15866779483
    WhatsApp/ Wechat: +86-15866779483
    Email: shandongtongya01@163.com