Dongguan Haocheng Metal Spring Co. Ltd te fonde an 2005, tout kalite presizyon metal prentan, Stamping manifaktirè pwodiksyon pwofesyonèl. Konpayi kouvri yon zòn nan plis pase 10,000 mèt kare, zòn nan plant ki gen plis pase 6,000 mèt kare, ak plis pase 100 Taiwan modèn ekipman pwodiksyon presizyon ak ekipman tès yo, tankou Taiwan CNC502 machin òdinatè sezon prentan, Taiwan CNC8CS machin sezon prentan, otomatik latom ak Taiwan segondè-speed près, Taiwan Steel Punch, Otomatik Tai Taiwan Taiwan, Taiwan Steel Punch, Punch Punch, Tatic Taiwan Taiwan, Punch Punch, Punch Punch, Tatic Taiwan Taiwan, Punch Punch, Punch Punch, Tatic Taiwan Taiwan, Punch Punch, Punch Punch, Otomati