Hangzhou multi-vitamins (wangwei) trading co., ltd was founded in 2009.Althought it s very younger, but it is successful. The company was formerly engaged in domestic vitamins trade, the amount is CNY 30 million last year.One of the shareholders of Hangzhou multi-vitamins (wangwei) trading co., ltd is the famous company who specialize on niacinamide. The other shareholder is former sales manager who worked in vitamin factories more than a decade, so we have a stable cooperative factories and competitive price. So we can provide the most competitive price Niacinamide with the best quality and the best service.And We engages in R&D, manufacture, and sales of functional red yeast rice and medicine fungi as well as related products.