工业/机械/消防/安防 Electronic
Power source

交通/汽配/自行车 Industrial applications
Production equipment

电力/能源/照明 Power/Energy/Lighting

暖通/建筑/建材 HVAC/Construction/Building Materials

医疗/美容/环保/洁净技术 Medical/beauty/environmental

视听/显示/广播电视 av/display/radio and television

电子/通信/网络 Electronics/communications/networking