... ton Why chooses Guangdong Daming Aluminium Material Co, Ltd? 1. ISO certified manufacturer in Guangdong,China ... Applications: windows, doors, curtain walls, cabinet, transportation, building, channel, railing, bracket, glasshouses, heat sinks, etc. ... surface treatment →welding→ assembling→ packing→ shipping→ after sales serviceQuality orientedISO 9001:2008 TS16949:2002Packing method 1.standard packing ...