UNION CHEMICAL WORKS LTD.was established in 1970，Located in Hsinchu ,Taiwan，and Producing reagents and high purity chemicals for local market。We have branch office in Taipei，Taichung and Kaohsiung。 　In 1981，The relative company「ZEN CHEMICAL CORP」was founded in the same place。It produces fine (or specialty) and rare chemicals。The main products are additives for powder coating，plastic and electroplating brightener。We've already exported them to a lot of countries for years。 　If you have ...