Roytek is a professional entity specialized in chemicals international trading and custom manufacture, we cooperate with the famous companies in Europe and American for custom manufacture in Water treatment, Lubrication additive and bulk chemicals. meanwhile, we coorepate with "Yangtze Delta Region Institute of Tsinghua University" and "Institute of Applied Chemistry, Jiaxing Research Center, Chinese Academy of Sciences" to R&D Bio-chemicals and pharmaceutic intermediates.
