The top ten heavyweights include: Oriental Yuhong, Conch, Beixin Building Materials and Tianshan Shares.

Oriental Yuhong was established in March 1998, and has now developed into a leading enterprise in China waterproof industry integrating R&D, manufacturing, sales and construction services. It is a national high-tech enterprise and listed company (SZ00227 1), with a nationally recognized enterprise technology center and a postdoctoral research center.