Leading Chem is a team aspired with ideal, passion and professional background in pharmaceutical and chemical industry. We've been focusing on the products of dyestuff and nutritional ingredients to bring colors and healthy to our life since 2012.Our purpose is to be the reliable partner and good friend with customers, make your sourcing job be easy and protect your business be safe. We started from a pure trading company, and we've been an integrated industry and trade company nowdays. L...