Welcome to Pengkai online. We have redesigned our website to provide you with the most up-to-date information about our products and services with easy navigation to our product specifications and contact information. Pengkai has been operating for more than 6 years as a professional ISO9000 certified manufacturer and export company by providing phosphorous derivatives, feed additives and pharmaceutical raw materials to our satisfied customers worldwide. Since our inception in 2004, 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 quality products with an economical advantage. Our featured products include ※Phosphorous derivatives: 1.Phosphoric acid 75%.85%, 2.Phosphorous acid 98.5%,99% 3.Hypophosphorous acid 50%, 4.Sodium hypophosphite 102%, 5.THPS, 6.THPS-U, 7.THPC, 8.THPC-U ※Feed additive: 1.Zinc sulfate, 2.Manganese sulfate, 3.Ferrous sulfate ※Other related products as listed. Our China office is located in Shanghai, and facing to the markets of North America, South America, Asia, Mid East, Africa and Europe. Pengkai maintains worldwide distribution capabilities with staffs of export professionals moving products wherever our customers require, safely and competitively.