Our plant adopts advanced craft technology, and uses high-tech methods to epurate new type environmental-friendly sulfuration dyes. It will make great contribution for state environmental protection, and contribute greatly for constructing harmonious society. Environmental-friendly liquid sulfuration dye is better than traditional sulfuration dyes. It has many advantages including easy operation, stable stability, small chromatism, etc. It can be used in sinking dyes, jig dyeing, etc.