What is the difference between the AD brand double-wall corrugated pipe and other corrugated pipes, and how to distinguish it clearly from the appearance characteristics.

The outer wall of the AD brand double-wall corrugated pipe is black, the inner wall is blue, and there is a green rib line on the outer wall of the corrugated pipe, which is particularly obvious, so as long as you see the green rib line on the outer wall of the corrugated pipe, you can determine that it is the AD brand double-wall corrugated pipe.

The AD pipe industry has three brands: Yonggao, AD and Jingjie. The AD brand corrugated pipe is obviously different from other brands of corrugated pipes, that is, there is a green rib line on the appearance, as shown in the figure below.

Hubei area, such as Wuhan, Huanggang, Xianning, Jingzhou, Jingmen, Xiaogan, Ezhou and other places to purchase the AD Jingjie double-wall corrugated pipe, you can contact Hubei AD Building Materials Co., Ltd.