Liaocheng Zeyu Metal Products Co., hexagonal hollow steel - hollow hexagonal - hexagonal hollow steel - hollow hexagonal - hexagonal hollow steel - hollow hexagonal steel - steel hexagonal hollow - hollow hexagonal steel - drill, hexagonal hollow Steel - hollow hexagonal steel - steel hexagonal hollow - hollow hexagonal - Hexagon blowing tube - rowed blowing tube - hollow hexagonal - hexagonal hollow steel - steel 55SiMnMo hexagonal hexagonal hollow drill -60Si2MnA hexagonal hollow drill rod -40SiMnCrNiMo Hexagon Hexagon hollow drill -95CrMo drill - drill, drill rod hexagonal specifications: H19, H22, H25, H28, H32, H35. Material: 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo hexagonal hollow steel, special sizes and materials can be customized according to customer requirements! Liaocheng Zeyu Metal Products Co., Ltd. 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 Oxygen tube - a hollow hexagonal - hexagonal hollow steel - steel hexagonal hollow large enterprise company is located in the scenic ancient canal Jiangbei Water City (Shandong Liaocheng), a prominent business 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! All the user needs as a fundamental · adhere to the "customers first" philosophy blowing hexagonal hollow steel, creating value for customers, safeguard the legitimate interests of the user is operating the first priority; ? Keep sensitive to user needs hexagonal hollow steel H22, consumer attention to user experience, the appropriate level of service beyond the expectations of users; · focus on fostering customer satisfaction and loyalty, and constantly improve the level of service to communicate with the user; · to maximize customer value maximization of corporate value creation. Hexagonal hollow steel, blowing hexagonal hollow steel, hexagonal hollow steel supplied by Zeyu metals. This information consists of: providing Liaocheng Zeyu Metal Products Co. (www.zk55simnmo.com), we are business alliance member, the integrity of the whole network certification vendor. Feel free to contact us, contact: Mr. Sun