1 Wei Xing

(Well-known trademarks in China, famous brands in China, top 500 private enterprises in China, top ten water pipe brands, Wei Xing Group Co., Ltd., two listed companies: Weixing New Material 002372 and Wei Xing Stock 002003).

2 Jinde

(China Famous Trademark, China Famous Brand, China Environmental Label Product Certification, Top Ten Water Pipe Brands, Jinde Pipe Group)

3 Ai Kang-Poly

(Shanghai famous brand, leading brand in Shanghai decorative materials market, Shanghai Ai Kang New Building Materials Co., Ltd.)

4 Sorbonne-Pirsa

(The only designated product of China Antarctic expedition team's resident construction, top ten water pipe brands, Shanghai Piersa Pipe Industry Co., Ltd.)

5 Jinjiao

(China well-known trademark, high-tech enterprise certification, top ten water pipe brands, Wuhan Jinniu Economic Development Co., Ltd.)

6 rifeng

Provincial export famous brand, Rifeng Enterprise Co., Ltd.)

7 white butterfly

(Top Ten Water Pipe Brands, High-tech Enterprises, Environmental Label Certification, Shanghai Baidie Pipe Industry Technology Co., Ltd.)

8 liansu

(China Well-known Trademark, China Well-known Trademark, Top Ten Water Pipe Brands, Industry Famous Brands, Guangdong Liansu Technology Group)

9. Cai Zhong (China well-known trademark, China well-known trademark, key high-tech enterprise, Zhejiang Cai Zhong Pipeline Technology Co., Ltd.)

10 Gu Meier (recommended product of China green building materials, famous product of Shanghai building materials, Shanghai Jinsu Industrial Co., Ltd.)