单位简介（100字）

DuiCheng (TianJin) International Trading CO.,LTD is a   comprehensive trading corporation mainly working on exporting of steel   products, located in Tianjin.   We have long-term cooperative   partners from all over the world, mainly developed in Asia，Africa,   Middle East and South America. All in all, we devote ourselves to adhering to   the principle “Good faith management, mutual benefit and common development”   and expect more optimistic cooperation with you in the future.