中山城市建设冲孔围挡 清远白色洞洞板围挡 冲孔基坑防护栏定做

详情描述：

中山城市建设冲孔围挡 清远白色洞洞板围挡 冲孔基坑防护栏定做
Tailor-made protective fence for punching foundation pit of Qingyuan white hole board in Zhongshan city construction

1、滤孔均匀，渗透性及防堵性能高。

1. Uniform filter hole, high permeability and anti-blocking performance.

2、过滤面积大，流动阻力小，出油率高

2. Large filtration area, small flow resistance and high oil yield

3、不锈钢材质的抗腐蚀性能，抗酸、碱、盐腐蚀，可适应油井的特殊要求，缝

3. Corrosion resistance of stainless steel materials, acid, alkali and salt corrosion resistance, can meet the special requirements of oil wells, cracks

隙不会因腐蚀而逐渐变大。

The gap will not be gradually enlarged by corrosion.

4、多层结构焊接一体，可使滤孔稳定，抗变形能力极强。外保护套也可螺旋焊

4. Welding of multi-layer structure can make the filter hole stable and have strong anti-deformation ability. Sheath can also be spiral welded

接。

Answer.

汕尾组装式冲孔围挡 清远工地围蔽 镀锌冲孔板 工地道路护栏

Shanwei Assembled Punch Barrier for Qingyuan Construction Site Enclosure of Zinc-plated Punch Plate Construction Site Road Guardrail