We have now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for Black powder used on silk, 100% Strength Malachite Green Crystal, Good Quality Basic Malachite Green, Basic Green 4,Sulfur Dyes. We are willing to give you the lowest price in the market, best quality and very nice sales service.Welcome to do bussines with us,let's be double win. The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico, Johor,America, Singapore.Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of Quality First, Reputation First, the Best Services.