Ochem Chemical Co., Ltd., a fully-owned subsidiary of Houston based Microvast, Inc. (www.microvast.com), is located in Huzhou, China. As an international supplier of specialty chemicals, our company is dedicated to developing and supplying adhesives for flexible packaging industry, chemicals for water treatment industry using membrane filtration technology, high purity tetramethylammonium hydrogen carbonate (TMAHC) for semiconductor industry, and quaternary ammonium fluoride salts for a variety ...