Liaocheng Zeyu Metal Products Co., Ltd. produces all kinds: Mining Rod - Drilling Rod - Rod hexagonal - Hexagonal Rod Rod -B22 -B19 -B25 Rod Rod grades: 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo , 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo, special sizes and materials can be customized according to customer requirements! My company since its inception, adhering to the "honesty, win-based" business philosophy, build quality brand drill drill rod, "Let the world know Zeyu, let Zeyu service in the world, to win market quality, creating value for customers "It is our consistent pursuit. Zeyu people willing to work a positive and pragmatic spirit, good as gold reputation and excellent tracking service and the majority of mining enterprises become attached! 4, due to the thick hexagonal wall blowing quarrying Rod, high strength, in our eyes open furnace process easy to control the size of rock drill rod, favorable eye furnace maintenance; because Hex Rod mine blowing thick wall, within appropriate size hole in the eye through an oxygen furnace welding mouth will not tempered, more effective protection of the safety of operating personnel. Zeyu metal, [Rod] quarrying, drill rod is provided by Zeyu metal. Looking for "hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mine" reliable suppliers, choose a whole network business alliance certification: Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo .com), honest and reliable "business alliance customer service" on page now click on live chat with us now!