清远u型市政道路护栏 公路护栏批发 佛山京式护栏现货

清远u型市政道路护栏 公路护栏批发 佛山京式护栏现货

Qingyuan U-type municipal road guardrail highway guardrail wholesale Foshan Jingshi guardrail spot

一种是京式护栏也叫乙型护栏，M型护栏。

One is the Beijing type guardrail, also known as B type guardrail, M type guardrail.

抗紫外线、不退色、不开裂、不脆化的优点。

It has the advantages of anti ultraviolet, non fading, non cracking and non embrittlement.