OUR ADVANTAGE HOP VIET TECH SUPPLY QUALITY PRODUCTS, THE ORIGIN FROM EU-G7 (ALL OF OUR PRODUCTS WARRANTED BY THE MANUFACTURER) WE ALSO PROVIDE BEFORE AND AFTER SALES SERVICES. THE DELIVERY TIME IS FAST AND, SOME COMMON PRODUCTS ARE STOCK AVAILABLE. Kindly refer the attached file and visit us at https://hopviet.com.vn/ for more detailed information.