AVF Chemical Industrial Co., Ltd is a large holding company, with three production bases and several contract manufacturers. We are specialized in high-tech level Animal health products, including veterinary APIs and Vitamin D3. Our production is strict to GMPs. With a professional Registry Team, we have obtained ISO Kosher Halal FAMI-QS and the registrations of EMEA and EPA. From developing, sourcing, manufacturing, quality control to delivery, AVF controls every stage with a ...