Liaocheng Zeyu Metal Products Co., independent research and development, manufacturing, production of "Zeyu" brand drill rods, hollow steel drill rod B22, circular hollow steel, hexagonal hollow steel, mining drill rod rock drill rod, geological drill alloy Rod, we have adopted a unique heat treatment technology (sub-type heat treatment), special alloy steel, pure fire and create a special craft drill rod, it's cost performance, product quality has reached the international advanced level, the production of various the best kind of drill rod manufacturers supporting products Liaocheng Zeyu Metal Products Co. Rod products are widely used in quarrying, mining, water transportation, military geology, municipal engineering. Our products mostly through direct sales direct sales to domestic users, some of the products sold abroad by exporting companies, and was well received. Meanwhile, we also undertake OEM and processing. Liaocheng Zeyu Metal Products Co., drill rod products are widely used in quarrying, mining, water transportation, military geology, municipal engineering. Our products mostly through direct sales direct sales to domestic users, some of the products sold abroad by exporting companies, and was well received. Meanwhile, we also undertake OEM and processing. Hex Rod | Rod | 55simnmo by Liaocheng Zeyu Metal Products Limited. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) strong, credible, Shandong Liaocheng special steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zeyu metal and you hand into the brilliant, for a better future!