1.   Our PVC pipe is a part/accessory of/to our drainage system, and it can be sold separately like other parts of the drainage system.There are three types of  pipes. Two square pipes each for one of our two PVC drainage systems(5-K style and 7-K style) and UPVC pipe(round pipe) suitable for both systems. ( We also provide aluminum gutter system and roofing shingle/tiles. For information of other pipes or other products, you can visit our online shop at alibaba: sangobuild.en.alibaba.com, or our company website: www.5sge.com to call for customer service, also you can contact me directly for price quotation or other details .)

2. We choose best materials to make sure every part of our roof drain system both tough and flexible. It won't yield to any kinds of weather. If crushed by tremendous force, for example, ran over by a truck, it will distort and then recover.

3. The drainage system  is very easy to be installed. There is a short installation manual for new workers and need only several daily use tools.

4. The pipe and other parts of our drainage system are all lead-free and environment-friendly. It can be recycled for other usage.

5. For quality guarantee, our products have the ISO9001 and SGS certifications. With the same quality, our products are the lowest comparing with other companies both in China and others countries.

6. The two pictures below are a quick view of our drainage system and accessories/fitting. 

PICTURE 1:

PICTURE 2: