Wuxi Sankai High Purity Chemicals Co., Ltd. is a wholly-owned production enterprise in China by the American company Sachem Inc. Located in the Wuxi National Hi-Tech Industrial Development Zone, the company commenced operations in 2007. Its primary products include high-purity aqueous solutions of tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, tetramethylammonium chloride, and trimethyladamantylamine.