Henan Bis-biotech Co., Ltd is a professional manufacturer specializing in Plant Extracts especially from Chili Products with highly technology of extraction and separation . At present, we focus on developing and producing Natural Chilli extracts: Capsaicinoids and Capsaicin, Dihydrocapsaicin, Nordihydrocapsaicin, Pepper Red Pigment, series of Capsicum Oleoresin. And other products such as:Licorice flavonoids, Sanshoamides, Tetrahydroberbrine,Tetrahydropiperine,Tetrahydrocurcuminoids and Noni...