Circular drill, drill circular tunnel, Zeyu metal (certified merchants) provided by Liaocheng Zeyu Metal Products Limited. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) is a professional "hex hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mining" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Zeyu" brand has a good reputation. We adhere to the "first, users first serve" principle, so that the metal Zeyu won the trust of customers in the congregation of special steel, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Liaocheng Zeyu Metal Products Co., drill pipe and hollow steel material: 60si2mn, 55simnmo, 35simnmoV thick circular drill, 23crni3mo, 40simncrnimo, DZ40, DZ50, R780 in the company's efforts to grasp the quality of survival efforts, to ensure that resources from , stability and development on the client. And actively carry out foreign trade activities, opening up new categories of businesses, expand new business channels. Demand for the company to provide a stable, high-quality, reasonably available means. Perennial reserve multiple specifications mine drill rod, drill rod tunnels, rock drill rod, hexagonal hollow steel, solder blowing hollow circular drill, circular hollow steel, geological drill pipe and other cash resources. Liaocheng Zeyu Metal Products Co., Ltd., the production of various mining drill rod, drill rod and hollow steel processing hexagonal, round steel circular hollow drill, geological drill hollow steel drill pipe and hollow steel material: 60si2mn, 55simnmo, 35simnmoV, 23crni3mo, 40simncrnimo, DZ40, DZ50, R780 to better serve customers and expand business scope, the company offered a home delivery service, companies with strict corporate governance circular hydraulic drill, enhanced product quality, customer provide first-class products, with a good reputation and solid strength, quality products, low prices and service to customers.