Our company name is TIANJIN CHANGSHENGZHONGYOU CHEMICAL CO,.LTD .It is one of the largest chemical manufactures in China and which deals with a wide range of chemicals products. During its first establishment in nineteen nineties, the Chemical Manufacture focused on high quality chemicals at lowest price and good service.To date, It has become more stronger and can supply a variety of chemicals materials, ranging from inorganic chemicals,organic chemicals,pigment and dyestuff. Its yearly capacity amounts to 9,000,000mt and has passed the ISO-9001 quality management system certification.