Buys, sells, and recycles Halon 1211 and 1301, and Halon Fire Extinguishers.

Producer and provider of natural pigments, foodstuff additives, nutritional enhancements and pharmaceutical chemicals.

Research and development in heterogeneous catalysis, licensing of process know-how, production and sale of catalysts, and engineering of process plants for the fertilizer, petrochemical, and refining industry and for environmental protection.

Manufacturer and supplier of desiccnats and de-oxygen fresh-keeping agents.

Manufacturer of electrochemical inorganics such as persulfates, bromates, and bromites, specialty organics, and pharmaceutical ingredients and intermediates. Located in China.

Manufacturer of chemical end-use products, including coatings and surface protectants, cleaning agents, and lubricants, for home, car care, and industrial applications. Located in China.

Manufacturer of polysilicon crystalline for the electronic industry and high purity chemicals for the fiber optic and related industries.

Chemical formulators and manufacturers.

Manufactures basic products for the chemicals, plastics, detergent, personal care, rubber and packaging industries.

Manufacturer of pharmaceutical intermediates and actives, neutraceuticals, and tin mercaptide plastic additives. China.