we could supply good quality goods, aggressive cost and very best purchaser assistance. Our destination is "You come here with difficulty and we supply you with a smile to take away" for N N-diethyl-4-methyl- Factory in China, 10-4-dimethylamino benzaldehyde, o-Toluidine, 99.5%, Auramine O,3-Aminotoluene. We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation. The product will supply to all over the world, such as Europe, America, Australia,South Africa, Portugal,Sweden, South Africa.we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.