Yun Hung Tang

Chemspec International Ltd. manufactures chemical products. It makes fluorinated chemicals used for the variety of purposes, including the development of other chemicals, as well as in the manufacture of products such as electronics, pharmaceuticals, and pesticides. Its products are used as building blocks for advanced chemicals or used to enhance the performance of the end products of their clients. Its three major market areas are pharmaceutical, agrochemical industries and electronics. It was founded in 1996 and is headquartered in Shanghai, China.

Occidental Chemical Corp. manufactures polyvinyl chloride resins, chlorine and caustic soda. It also offers basic chemicals, oxyvinyls, food grade and armand products. The company was founded in 1988 and is headquartered in Dallas, TX.

Shanghai Chemspec Corp. engages in the research, development, production, and sale of fine chemicals. Its products are display materials, new energy battery materials, electronic chemicals, organic silicon materials, as well as pharmaceutical and agrochemical chemicals. The company was founded by Jian Hua Yang on November 14, 1996 and is headquartered in Shanghai, China.