The three main raw materials of CCL are copper foil, fillers, and resin. In response to the advent of 5G, environmental protection, and the Internet of Things era, the trend of low dielectric and halogen-free is clear. We not only provide low chlorine, halogen-free, flame retardant, and low Dk epoxy resin,but also provide low Dk, anti-warp, low CTE materials like hollow glass beads and spherical silica, we have corresponding products to recommend.