Tianjin REFUL International Trade Co., Ltd. is registered in Tianjin Free Trade Zone. It mainly exports products made in China, especially raw materials used by steel and foundry industry, including bauxite, coke, pig iron, Ferro-alloys, etc. REFUL is also engaged in Coal and Coal products. The Anthracite and calcined Anthracite (the Carbon raiser made of Anthracite) with high fixed carbon are of good quality. These products are used in many factories, such as the Cement Plant, the steel- making factories etc.