1.Steel cut by laser 2. The least welding portion polished properly 3.Original finish kept 4.Automatic arm drop and safety Technical parameter:1.Frame :304 Stainless steel(1.5)2.Dimension:90°/120°3.Size:1500(W)*1630(L)*2310(H)mm(Size can be customized )4.Drive: Manually operation 5.Rotation Direction : A. Bi-Directional B. Unidirectional6.Controller:Adopt micro-computer controller can be 7. ...