Liaocheng Zeyu Metal Products Co., Ltd. is a hollow hexagonal - hexagonal hollow steel production and supply of large enterprises, is a collection of production, trade and services, new product development in one of the provincial large steel companies. Also, according to market demand hollow hexagonal, in 2011 with a new stress relief annealing (electric heating temperature up to 700 ℃). The furnace can eliminate stress by hot rolled hollow hexagonal molding process produces so hexagonal hollow steel corners and flat part of a consistent standard mechanical properties of carbon steel, greatly improving the weldability shaped tubes. Uphold: "real things alloy hollow hexagonal, honest and treat people" concept hexagonal, producing high quality products. Liaocheng Zeyu Metal Products Co., Ltd. is a hollow hexagonal, large-scale mining drill rod production and supply company, is a collection of production, trade and services, new product development in one of the provincial large steel companies. The company invested its own production of hollow steel hexagonal, round hollow steel, and in order to better serve the old and new customers, the company offered a home delivery service, and a car, hand pick customers to negotiate business. Main Material: 45 #, 20G, 40Cr, 20Cr, 55simnmo, 35simnmoV so on. Hot-rolled hexagonal hollow hexagonal _ _ hexagonal hollow steel provided by Liaocheng Zeyu Metal Products Limited. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) strong, credible, Shandong Liaocheng special steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zeyu metal and you hand into the brilliant, for a better future!