Black strip black retreat retreat retreat black strip profile is Chilled strip after strip after annealing furnace processing is made large. In order to meet the needs of different industrial sectors and production of a long narrow plate. But with the economic development, the width has no limit. Strip supplied in rolls, with a high dimensional accuracy, surface quality, ease of processing, material saving advantages. Widely used to produce welded steel pipes for cold-formed steel billet. Black back strip materials, specifications Our company is mainly made of high quality Q175, Q175L, Q215. The main specifications for 610mm-32mm less (width) Thickness 0.4mm-2.5mm. Use black back strip material for board cabinet, automotive sheet metal boxes, door frames of steel raw materials, stamping with precision instruments, metal office furniture. Containers and packaging, household appliances, small stampings, construction steel, cable racks, etc. Collar and so on. Features black back strip strip thickness and smooth surface board planing width precision accuracy annealing evenly without heavy leather No Ma Hang no cracks advanced dual pull double straightening process to further ensure the plate surface smooth, fine cut to ensure the accuracy of the width of the accurate, temperature annealing furnace to ensure smooth surface free from scale, meticulously strict selection to ensure the stability of silicon content, solve all your worries! Five, black back strip factory Bazhou Qingyuan Pipe Co., Ltd. is located in the Beijing-Tianjin corridor Pearl City - Langfang, Bazhou, close Hozu highway LangBo highway and 112 national highway, near the port of Tianjin, Beijing Capital International Airport Tianjin Port and Beijing-Kowloon Railway, location, road, rail, sea accessible, transportation is very convenient.