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产地货源 道路护栏定做 广州德式围栏按图定做
Custom made road guardrail of goods source in Guangzhou
一种是常规异型管轻型经济护栏。
One is the conventional special-shaped tube light economic guardrail.
一种是异型管重型护栏，随着城市基础设施的改造。
One is the special-shaped tube heavy guardrail, with the transformation of urban infrastructure.
城市护栏市场竞争日益激烈。
The market competition of urban guardrail is increasingly fierce.
