... rack: 1.Suit for any solar modules. 2.No welding, fast and easy installation. 6V solar panel rack Material: stainless steel,iron, ... ).No welding, fast and easy installation zinc zinc5)Suit for any solar modules Color and size According to Customers' requirement.Surface Treatment ... ROHS/SGS report;3)A full set of equipment,steel plate shearer,spot-welder,200ton-315ton's hydraulic press,bending machine ...