Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for Chondroitin Sulfate, Avermectin , Erythritol , Soy Lecithin ,L-Valine . All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands. The product will supply to all over the world, such as Europe, America, Australia,Slovakia , Sydney ,Riyadh , Mongolia .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.