We Qingdao Sanhuan Colorchem has more than 15 years experience of exporting dyestuff . We have acid dyes,basic dyes, direct dyes, sulphur dyes and solvent dyes. We have competitive advantage of dyestuff especially sulphur black and basic dyes . 

Recently , sulphur black requirement increased much , and we Colorchem can supply goods to our customers puntually  with good quality.  

We still try to enlarge our quantity and offer better service to all of our customers.