(info at healthynaturalcolor dot com)
We can see dark blue powder with our naked eyes.It is water-fast. It is absolute a natural pigment abstracted from the leaves of Polygomum tinctorium Lour e.g. blue Polygonum,blue tea, Strobilanthes cusia, woad by modern biotechnology.Widely used in every kinds of textile dyeing as blue coloring.Indigo is very popular with people for thousands of years as the rich color and the fastness.
This product has been exported to EU, Japan, USA, Asia etc. The physical level and microbiological level can meet the export standards well.For avoiding fakes,this product already has normal enterprise NO: Q/KLE165-2005.
Package: cardboard drums, with double aseptic food poly bags inside, 25kgs per drum. Or by Aluminum foil drums, with vacual aseptic food poly bags inside, 0.5-5kgs per packet. Mail box: info at healthynaturalcolor dot com
Tel: 0086-452-6101658
Fax: 0086-452-6101659
Web: www.vipblueberry.com
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Contact Name: Crystal Han
Company Name: Daxinganling Koralle Bioengineering Co., Ltd
Email: Info@healthynaturalcolor.com
Tel: 0086-452-6101658
Fax: 0086-452-6101659
Street Address: No.2 Yongxing Street,
Xiaoyangqi Town, Songling District,
Daxinganling City, Heilongjiang, China
USA 
Cote DIvoire 
Brazil
China
