Jining Gast Mining Limited is in accordance with national standards strict regulations manufacturer with advanced technology, first-class management and production of mining equipment for many years with a W-beam steel band name M, W is a high-strength alloy steel plate cold together, W strip with a variety of bolt and bolt together various combinations of the composition of the integrity of the bolt, W steel is the best choice for coal roof control and weak rock. Its role is widely used in the mine roadway Face Cut, as well as treatment of unstable rock, mine accidents in recent years, always appears, the state mine safety very seriously, W steel band support classes become an indispensable part of the W Steel with Model WD280-2.8 W strip width mm 280 Thickness mm 2.8 W strip aperture wide aperture length mm 60 mm 40 breaking force kn> 284 W Steel Manufacturing Co., Ltd. Shandong Gast mining equipment, mining equipment for many years engaged in the production of R & D, with the strength to prove quality, cheap, mature technology, durable! Product quality worthy of your trust and welcomes new and old friends come to negotiate and order. Sales Manager: Xue Jingli 15265770686 Sales Tel: 0537-2798963 Sales QQ: 2691822405 Fax: 0537-2378198 Website: http://www.gangdai01.com/ Address: No.36 Jinyu Road, Jining City Development