Our customers believe that Hebei Tianxu Biotech Co., Ltd. Manufacture is the head in the curcumin, capsanthin, gromwell pigment, black pepper oleoresin and
other natural pigments. We choose the best material suppliers as our partner . All the procedures from raw materials, production to output are recorded. Every batch of products is kept samples and records. We have passed the review of ISO9001：2000 and founded advanced quality inspection center . We also have established the data files according to the standard of GB, IFI & DIN. All these make sure that we can provide the high quality products for our customers.