We，Qingdao Bio-tech Resource Co.,Ltd a manufacture of food additives in china. As u know, china is a big export country which produce natural food additives. Our main products: paprika oleoresin, marigold oleoresin,red cabbage color, purple sweet potato color, red radish color if u wanna details,pls: email:qdtianjiaji@yahoo.cn www.qdbiotech.cn tel：+8615263050815 We r looking forward to ur reply, thanks