We have Factories in china as producers , Special Pricing ,good quality in stock NJ &.LA.we prodcuce for Chondroitin Sulfate90-85%,with HPLC/CPC/USP grade. Glucosamine,Green Tea Extract 98%-50%Ply. We strong in Ascorbic Acid. Vitamin A-Z. Herbs A-Z. Amino Acid A-Z. Caffine Anhy etc ,guarantee best pricing and quality for you in USAGoods stocking in New Jersey,Los angelos, Toronto, VancouverMAJOR IN PRODUCING AND DISTRIBUTION FOLLOWING INGREDIETNS MATERIALS: GLUCOSAMINE CHONDROITIN GREEN TEA EXTRACT VITAMIN A-Z, STRONG IN ASCORBIC ACID. VIT E CAFFINE ANHY VIT B2 VIT B5 VIT B1 AMINO ACIDS A-Z OVER 200 HERBS EXTRACT