Pengkai?is a mainland chemical enterprise operating for more than 6?years as a professional ISO9000 certified manufacturer and export corporation by supplying Phosphorous derivatives, fertilizer?and?multiple chemicals?to our satisfied customers worldwide. Since our inception in 2008, Pengkai's vision and philosophy has been supplying quality goods and providing efficient service, our strong presence in China gives Pengkai the unique ability to meet our customer's requirements for the high quali...