Qingdao HengZhiYuan Chemicals Co.,Ltd is located in QindDao city,ShangDong Province,and specialized in manufacturing and exporting chemicals. The main products include: CAUSTIC SODA, SODIUM HEXAMETAPHOSPHATE, SODIUM METABISULPHITE , CHROME YELLOW ,IRONRED/YELLOW/BLACK/GREEN,LITHOPONE,TITANIUM DIOXIDE,GLACIAL ACETIC,CARBON BLACK,SULPHUR BLACK,ZINC OXIDE,FORMIC ACID,OXALIC ACID,ETC.