Hollow hexagonal, hollow hexagonal production, hollow hexagonal provided by Zeyu metals. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) Shandong Liaocheng quality certified company Commercial Union has Zeyu other brands, has a good reputation, honesty, service-oriented "business alliance customer service" on page click icon, we will be happy to serve you! Liaocheng Zeyu Metal Products Co., Ltd. is a drill rod, mining drill rod, drill rod hexagonal, hexagonal hollow steel, hexagonal oxygen blowing pipe, circular hollow steel, spiral drill rod, twist drill rod, geological drill pipe, drill pipe production, services, new product development in one of the large enterprises hollow hexagonal production, the company is located in the scenic ancient canal Jiangbei Watertown (Shandong Liaocheng), a prominent business location hollow hexagonal, convenient transportation producing all kinds: hexagonal hollow steel , hexagonal oxygen blowing tube, hexagonal drill rod, drill rod round, rock drill drill rod, mining drill rod, 55SiMnMo drill rod, 60Si2Mn drill rod, 40simncrnimo drill rod, 23CrNi3Mo drill rod, drill rod heavy, solid twist drill rod, hollow twist drill rod, drill rod hexagonal spiral drill rod specifications: H19, H22, H25, H28, H32, H35 Round Rod Specifications: D32, D38, D45, D51 twist drill rod is divided into two kinds of solid and hollow, respectively: Φ26 , Φ28, Φ30, Φ38, Φ40 other materials: 45 #, 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo, special sizes and materials can be customized according to customer requirements! Products are widely used: rock mining, mining, railway, tunnel engineering, metallurgy, coal, water conservancy, mountains, quarrying, smelting blowing. In the company of "people-oriented, integrity and innovation, leading services, the pursuit of unlimited" concept management company, follow the "proactive, rapid response, thoroughness and excellence" work style, to "create customer cardiac products, providing customers moving service "as the goal, continue to innovate and progress, so customers can build and between the supply and demand sides of the green channel, to achieve harmony and win-win! Liaocheng Zeyu Metal Products Co., Ltd. is a professional manufacturer of all kinds: hexagonal hollow steel - hollow hexagonal steel - steel hexagonal hollow - hollow hexagonal - Hexagon blowing tube - rowed blowing tube - hollow hexagonal - rowed Hollow steel - steel hexagonal hollow large enterprise company is located in the scenic ancient canal Jiangbei Water City (Liaocheng) hollow hexagonal processing company prominent location and convenient transportation hexagonal hollow steel Specification: H19, H22, H25, H28, H32,. H35 Material:. 45 #, 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo, special sizes and materials can be customized according to customer requirements! Product quality, supply full and reasonable price, prompt delivery, in good faith, the principle of mutual benefit, invites new and old customers to visit and negotiate business. I solemnly promise to you: to ensure the best quality at the lowest price, the best service, to acknowledge the new and old customers. The library does not have the specifications can advance phone orders, ensure timely arrival.