During the production of wireless keyboard and mouse slim, Keyceo Tech Co., LTD divides the quality control process into four inspection stages. 1. We check all incoming raw materials before usage. 2. We perform inspections during the manufacturing process and all manufacturing data are recorded for future reference. 3. We check the finished product according to the quality standards. 4. Our QC team will randomly check in the warehouse before shipment. We've built a global reputation on bringing high-quality Keyceo branded products. We maintain relationships with a number of prestigious brands around the world. Customers use our trusted Keyceo branded products. Some of these are household names, others are more specialist products. But all of them are likely to play an essential role in customers' business.Customer service is our priority. At Keyceo, we are committed to delivering with speed, courtesy and reliability! All of our wireless keyboard and mouse slim products are 100% guaranteed. We provide customers with product customization, sample delivery and logistics choices.