Guangzhou UPL Digital Technology Co., Ltd. was established at the beginning of 2004, operating UPL, Guande and several other well-known brands. Our company mainly produces CD-ROM, BD-R, DVD+/-R and DVD+R DL. Depending on science and technology development, continuously providing users with high-tech products is our constant pursuit. Our company owns the world's most advanced CD equipment and complete inspection systems. Our company adopts high quality raw materials with the first-class ...