Welcome to Shanghai Pengkai Chemical Co., Ltd. We have redesigned our website to show you the latest information about our products and services. Our company has been operating for more than 6 years as a professional ISO9000 certified manufacturer and exporter by providing phosphorus chemicals, food and feed additives for our customers worldwide. Our featured products include phosphoric acid, hypo phosphorous acid, sodium hypophosphite, THPS, THPC, THPS-U and THPC-U. Also we supply many ...