... alloy, brass, and bronze (most of them are imported from Korea, Germany and Japan)Finish: zinc-plated, nickel-plated, chromium ... imitation gold-platedHigh-tech equipments: Advanced CNC spring machinery imported from Japan, Germany, Sweden, and TaiwanAdvanced grinding and shot ... to assure the good quality in mass productionExperienced in handling exports to the US, Europe, Japan and other countries ...