Our Henan Liwei Biological Pharmaceutical Co., LTD is a professional manufacturer and exporter of bio-pharmaceuticals, animal feed and liquid crystal raw materials. Our products are Cholesterol, 7-Dehydrocholesterol, Ox Bile Extract, Porcine Bile Extract, Cholic Acid ， vitamin d3 Series etc. The company is located in Wenxian the hometown of taiji boxing , covers an area of 12 000 square meters. Each year our company produces 50 tons of products most of that are exported to the United States , Russia , India , Japan , Italy and Taiwan etc. Our company involved in drafting the world’s Liquid Crystal Cholesterol standards, at the same time is the export base of Liquid Crystal Cholesterol in China .