QUESTT portable fiber laser marking machine There are new members joining in QUESTT every year. As a product category, they are always combined to achieve a joint effect. They, as a whole, are displayed at the exhibitions every year and are purchased in large quantities. They have been certified and verified by authorities and are allowed to sell all over the world. Based on continued R&D and yearly updates, they will always be leaders in the market. cl 1000 laser,laser marking,cleanlaser osh 80 price.