Foshan Top One Powder Technology Co,.Ltd is specializing in manufacturing and marketing high quality new energy products, the main products include inverter, powder inverter,solar powder inverter,solar controller, pure sine wave inverter, frequency inverter, battery inverter, UPS uninterruptible powder and so on. The advantage of our factory is as below: 1. The inverter&controller have reached CE,IEC and EMC standard.2. 6 engineers with more than 15 years in R&D department.3. After sales-service, we can't 100% make sure that all goods are perfect. But we promise that we will re-send the goods or parts to you. 4. The peak monthly output is 60,000 sets.5. 7-20 days very short delivery time.