... PCB fit inside as one controlling box. 1.Alu. die-casting and CNC machining part.2. The ... . Components for big electrical controlling box. Xiamen Boming Industrial & Trading Co.,LtdItem name:Big Die-casting aluminum boxItem NO.:BM-DC05Material:Alu ... usage of material involves many types, such as Stainless steel, Aluminum, Brass, Bronze. SGCC, SECC, and SPCC, etc. If you have ...