Liaocheng Zeyu Metal Products Co., Ltd. is a mining hollow steel, Oxygen supply companies with large-scale production of hollow steel, is a production, trade and services, new product development in one of the provincial large steel companies. We always adhere to market-oriented, growing enterprise scale, enhance the core competitiveness of blowing the drill pipe, in the shortest time trying to create the best brand seamless steel drill pipe, provide the most satisfactory service. Services: the package arrived without loss, not loading goods are not satisfied, then finishing the procedures of payment, all employees express my most sincere gratitude to the care and support of our friends and all levels of leadership Liaocheng Zeyu metal products! Ltd., the production of mining drill rod, drill rod and hollow steel processing hexagonal, circular hollow steel, geology hollow drill steel, drill pipe and hollow steel material: 60si2mn deep hole drill, 55simnmo, 35simnmoV round diamonds rod, 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, enhance product quality, to provide customers with first-class products, with a good reputation and solid strength, quality products, low prices services to customers. _ _ Drill drill blast hole drill openings (View) provided by Liaocheng Zeyu Metal Products Limited. "Hex hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mine" preferred Liaocheng Zeyu Metal Products Co., Ltd. (2), the company is located: Shandong Liaocheng Development Zone Industrial Park, over the years, Zeyu metal to provide customers with the best quality service, Contact: Mr. Sun. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Zeyu metal look forward to becoming your long-term partner!