Liaocheng Zeyu Metal Products Co., 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 - large companies in the same industry hexagonal hollow steel top. . Over the years, we have been with the national petrochemical, power, boilers, machinery and other industries and medium-sized state-owned enterprises to establish a good, long-term, stable business contacts, especially in the power transformer manufacturing industry B19 drill mine, my company TBEA, Paul changed, West changed, Kazakhstan changed, especially substation hollow steel - hexagonal hollow drill steel 55SiMnMo -60Si2MnA Hex Hex Rod -40SiMnCrNiMo hollow hexagonal drill -95CrMo hexagonal hollow drill - drill drill drill B19, hexagonal brazing pole Specifications: H19, H22, H25, H28, H32, H35. Material: 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo, 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo, special sizes and materials can be customized according to customer requirements! Liaocheng Zeyu Metal Products Metal Products Co., Ltd. Liaocheng Zeyu Disclaimer: Due to market confusion, outlaws fraudulent use of the Company's network information and images for commercial ye lie hexagonal B19 drill pipe, looking new and old customers for business supply before trading enterprises to visit, to see if there are other spot, whether with a production capacity, so as to avoid unnecessary losses. Zeyu metal, rock drill B19, B19 drill 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!