Nutrichem International Co.,Ltd

We are Duowei Pharmaceutical Co.,Ltd is specialized in Vitamin B12 of fine quality with the annual production capacity about 20,000KGS,which is one of the largest VB12 production site in the world.
We are a sister company of Ningxia Duoweitairui Pharmaceutical Co.,Ltd. As a leading manufacturer in Western North of China, we are glad that we can offer you different kinds of raw materials and additives for animals. Together with the quality products, prompt and thoughtful service is also available from us for successfully jointly promoting our products worldwide. Now, through our partners' full supports, you can heard of duowei brand in India, Pakistan, Malaysia, Vietnam, Singapore, Taiwan ,etc of Asia, Mexico, Brasil, Argentina, Peru of North and South America, Jordan, Syria, Egypt of Middle East.
We would like to set up a long term relationship with you on Vatamin B12,and offer you the most competitive price.