This is Richyu chemical, we are professional manufacturer for polymer additive in Taiwan. We have 3 plants - two located in Nantou and one located in Changhwa. We founded on July 1, 1999 by Mr. Fu-Shiung Yu who has more than 40 years working experiences and own high reputation in Taiwan's chemical field. We manufacture major product group for polymer additive including anti-oxidants, light stabilizer, UV absorber, and some special additive for polymer.