1. The quality control procedures of Qingyu [拓展关键词 starts from the receipt of raw material, over the precursor chemicals, up to the final cathode active material. The product has been widely used for electrical appliances, metal products, precision instruments, jewelry, medical equipment, etc
2. Dong Guan Qing Yu Laser Technology Co., Ltd has a sound system to control the quality and consummate detection teams. Adopting the fiber optic technology, it features amplified beam strength
3. The product is built to last. The quality metal materials used in it are rust-resistant to protect it against water or moisture corrosion. Its rugged industrial strength frame makes it not susceptible to shocks and vibration
4. The product can work under a wide range of temperature. It has been treated under thermal compression which ensures it to adapt flexibly to temperature change. Thanks to its high stability, the product can work continuously for 24 hours
1. Dong Guan Qing Yu Laser Technology Co., Ltd is the pioneer of mini laser marking machine research and development in this industry.
2. High quality for our laser marker is the biggest pros to win more customers.
3. As a company bears social responsibility, we see it as our responsibility to handle resources and energy efficiently as well as to avoid environmental risks at all of our locations.