Profile: Xiamen Bokang Biology Technology Co., Ltd. offers herb extracts, natural food colors and natural preservatives. We are ISO 9000:2001 certified. Our products are stachyose, capsaicin, piperine, neetle extracts, capsiate and acacia rigidula extracts. Our capsaicin is used in topical ointments to relieve the pain of peripheral neuropathy such as post-herpetic neuralgia caused by shingles. Our piperine is used to make anticonvulsant, antidepressant and muscle relaxation drugs.