Profile: Ace Metalwork & Machinery Co., Ltd. is specialized in system scaffold, construction machinery and warehouse equipment. We offer Ringlock scaffold Cuplock scaffold, Kwikstage scaffold, aluminum ladder, FRP ladder and ICF bracing system. Cuplock scaffold is a proven multipurpose scaffolding system which can be used for all forms of access and support structures in the building and construction industries. It can be erected faster than traditional scaffolding, thus providing major savings in erection and dismantling times, thus minimizing on site cost. The top cups on verticals, and blades on horizontals are made by drop forging.