Business Registration Information: Established: 2012-08-17 Legal Representative: Hvdroxide registration number: 37150020002686 * Registered Address: Liaocheng City Development Zone Liaohe Road East booming market A District 21 Registration Authority: Liaocheng City Administration for Industry and inspection time 2014 . Shaped tubes. 8.17. Theoretical weight shaped pipe theory is based on the weight of steel, said steel male size and density (formerly called gravity) calculated by weight referred to the theoretical weight. Laiwu shaped tubes. This length dimension of steel, cross-sectional area and size tolerances are directly related. Due to tolerances in the steel manufacturing process, and therefore with the calculated theoretical weight and the actual weight of a certain access, so only as a reference to estimate the time. Octagonal shaped tubes, virtue Pipe, Pipes Laiwu by virtue Liaocheng Industry Co., Ltd. Octagonal shaped tubes, virtue Pipe, Laiwu Pipes Pipe Co., Ltd. is Liaocheng virtue (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) this new upgrade introduced above picture for reference only, please call Tel picture on this page or to obtain the latest information, contact: Hvdroxide.