Yunqing R&D has successfully developed a complete process for extracting pigments from Chinese herbal medicines and agricultural wastes 、 dyeing and finishing fabrics according to ecological and low-carbon processes. It has three invention patents.

The entire process has achieved zero emissions of hazardous chemicals, and more than 90% of the production water is reused.

The Dyestuffs & Auxilaries are all from natural materials.

Pre-treatment: 

Method (1)： Enzyme 

Method (2)： NaOH 、Hydrogen peroxide (H2O2) 

Dye process: 

1. Natrual dyestuff 

2. Mordant

     ferric sulphate

     aluminum potassium sulfate

3. Fixing agent ：Vitamin series

There are varieties of product type: dye stuff, piece dye, garment dye, top dye;