1) The advantage is that it can be air bend side bend in real time can not be bent, such as square and rectangular tube top / side synchronous bending and finishing. Air bend can also bend R <0.2t inside corners without wall fracture. Disadvantages 2) is in the upper air bend / air bend when synchronization sides, since the upper and lower rollers while producing pressure forming force easily beyond the critical point, resulting in instability of the concave edge portion, and can also affect the stable operation of the unit and molding quality. This is also the moment when pipe and tube side air bend forming different characteristics. (4) small and medium steel, wire rod, rebar, medium diameter steel pipe, steel wire and wire rope, buy seamless pipe, can be stored in well-ventilated shed material, seamless square tube company, but the thatch must underlay; (5) The number of small steel, sheet, strip, silicon, or thin-walled steel pipes of small diameter, a variety of cold-rolled, cold-drawn steel and high prices, corrosive metal products, storage can be stored; (6) Treasury should be selected according to the geographical conditions, the general ordinary enclosed warehouse, that is walled roof, doors and windows tight, Hefei seamless pipe, with the Treasury ventilation; and (7) requires the Treasury sunny attention to ventilation, moisture close attention rain , keep proper storage environment. Buying seamless square tube | Hefei seamless square tube | Show Bo Trading (view) by Hefei Show Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) is a professional engaged in "channel, angle, I-beam, H-shaped steel, square tube, steel, light rail, heavy rail, crane rail" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "Show Bo" brand has a good reputation. We adhere to the "service first, customer first" principle, so that the public exhibition of Commerce Bo won the trust of customers in the steel, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!