To ensure every piece you receive is defect free, we source raw materials that meet CCC and CE standards. The production is done in our ISO9001:2000 certified factory, and our QC technicians have seven years of experience. Every two of them are assigned on each production line, monitoring the whole production process. As a result, we keep a zero return rate, and our products carry CCC and CE certificates. One-year warranty is also offered for your peace of mind.