Hunan Iven Bio-Technology Co., Ltd. Located in Hunan high-tech zone. Created by U. S. domestic Dr., mainly engaged in pharmaceutical intermediates, steroid and fine chemical products' research& development, produce and technical services. At present, we have successfully developed TMB, ferrocene derivatives and steroidal drugs and other products. Our company has a scientific quality management system, striving control the cost to the minimum, to create a high quality but the most preferential price of products. Hunan Iven Bio-Technology Co., Ltd's integrity, strength and quality of products received wide recognition. Welcome the friend from all walks of life to visit my factory visit, the instruction and the service discussion.