Tianjin Yiruida Chemical Co., Ltd. is a leading manufacturer in chemical industry. we mainly engaged in producing and exporting chemical products, such as carbon black, lithopone, zinc oxide, titanium dioxide and so on. Our products have been sold well in the world which covers the Middle East, Asia, Southeast Asia, Africa, and America and so on. We really appreciate to build long term business relationship with your company and supply high quality products to you.