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. Our company is located in Wenxian the hometown of taiji boxing, covers an area of 12000 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.