Liaocheng Zeyu Metal Products Co., independent research and development, manufacturing, production of "Zeyu" brand drill rods, hollow steel, circular hollow steel, hexagonal hollow steel, mining drill rod, geological drill, we have adopted a unique heat treatment process Technology (segmented heat) alloy hydraulic drill rod, special alloy steel, pure fire and create a special craft, it's cost performance, product quality has reached international advanced level, is the production of drill rod manufacturers best supporting Product Liaocheng Zeyu Metal Products Co., a variety of specifications and models of rock drill rod. Products sold over 20 domestic provinces, municipalities and autonomous regions, specializing in the production 20CR, 40CR wear-hydraulic drill rod, DZ40, DZ50, R780,60SI2MN, 55SIMNMO, 40SIMNCRNIMO, 35SIMNMOv other products. Praised by users. Company "customer is God" philosophy hydraulic rock drill rod, reputation and value creation, adhere to the "people-oriented", follow the "advance man" code of conduct. Vigorously promote honesty, hard work and enterprising spirit, the pursuit of "creating famous brand, strong among domestic enterprises" as the goal, always adhere to the "quality first, reputation-based, customer first" for the purpose, to provide users with fast , high quality, efficient service, and strive to provide the community with more and better quality products. Liaocheng Zeyu Metal Products Co., Ltd. is a large enterprise specialized in the production of hollow steel hexagonal, circular hollow steel, H19, H22, H25 mining drill rod, drill rod-equipped, strong technical force, registered brand "Zeyu" is my factory on the basis of advanced international technology, manufactured by several professors jointly developed the heat treatment industry. Exclusive use of special alloy steel, through a special forging process, precision machining, to create a streamlined structure should look to do more conducive to inner conversion, unique segments, local heat treatment technology, to create a new generation of high-quality drill rod, The products in strength, impact toughness balance reflected, so that in long-term use, the wear-resistant and difficult to break, breakage rate, long life, can be comparable with similar international products, is the hammer of choice for manufacturers supporting products. Alloy hydraulic drill rod, drill rod, drill rod hydraulic provided 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!