1. Shenyang Jinde [China Famous Trademark, China Famous Brand, China Environmental Labeling Product Certification, Pipeline Industry Pioneer]

2. Guangdong Liansu [China Famous Trademark, China Famous Brand Product, ranked first in sales nationwide in 2009, a miracle in the pipeline industry]

3. German Standard Pipe Industry [internationally renowned brand, Chinese famous brand, top ten brands in Shanghai, pioneer in the pipeline industry]

4. Zhejiang Zhongcai [China’s well-known trademark, China’s famous brand products, listed group company, famous brand manufacturer in the pipeline industry]

5. Sichuan Chuanlu [China’s well-known trademark, China’s famous brand product, joint venture group company, pipeline industry pioneer ]

6. Zhejiang Weixing [China’s well-known trademark, China’s famous brand products, listed group company in 2009, pioneer in the pipeline industry]

7. Shanghai Aikang-Poly [Shanghai’s famous brand, Shanghai's top ten best-selling brands, large export volume, well-known manufacturers in the pipeline industry]

8. Shanghai Shanfeng [Rifeng] [Shanghai Famous Brand, Famous Trademark, the first batch of national green procurement brands, "China's Famous Trademark" Under review, Shanghai consumer five-star enterprise, pipeline industry pioneer]

9. Jinniu, Rifeng [China's well-known trademark, Chinese famous brand product, advertising investment manufacturer, pipeline industry pioneer]

10. White Disc [Shanghai Famous Brand, Famous Trademark, Top Ten Brands in Shanghai, Pioneer in the Pipeline Industry]