Zeyu, [mine] drill, drill provided by Zeyu metal. We are Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) at: Shandong Liaocheng specialized in: hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod Liaocheng Zeyu mine metal products Ltd. is a professional production: hexagonal hollow steel - hollow hexagonal steel - hexagonal hollow steel - hollow hexagonal - Hexagonal lance - rowed lance - hollow hexagonal - hexagonal hollow steel - hexagonal hollow steel large enterprise company is located in the scenic Jiangbei Watertown ancient canal (Liaocheng) coal drill pipe, the company prominent position and convenient transportation hexagonal hollow steel specifications:. H19, H22, H25, H28, H32, H35 Material: 45 # 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo copper drill, special sizes and materials can be customized according to customer requirements! Companies adhering to the "customer first, forge ahead toward long" business philosophy, the link to the "customer first" principle to supply customers superior Pan Bo doing things. This product are 45 high-carbon steel construction, the product benefits: wall thickness, the focus of the hole, high strength, deep and broken furnace notes drill small mines, oxygen consumption at the end, the characteristics of low cost sourcing hexagonal hollow steel Zeyu]] find good quality and excellent service] Shandong only production of hollow hexagonal phone manufacturers 0635-2116367 Liaocheng City, Shandong Province Zeyu Metal Products Co. is a professional production of various www.zk55simnmo.com: hexagonal hollow steel - Hollow hexagonal steel - hexagonal hollow steel - hollow hexagonal - Hexagonal lance - rowed lance - hollow hexagonal - hexagonal hollow steel - steel hexagonal hollow large enterprises Our company is located in the scenic Jiangbei Watertown ancient canal ( Location Shandong Liaocheng), the company prominent and convenient transportation. is one of the few hexagonal hollow steel manufacturers. 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! We sell more than just six angles, it is the service! Welcome to the new and old customers inquiries, Zeyu metal company will win-win cooperation, create brilliant with you! Production processes and technologies, please contact our