Kingboard Laminates is the largest laminate producer by revenue in China and the world. KBL produces three types of laminates: glass-epoxy laminates, paper laminates and composite-epoxy-material laminates. Laminates are the basic boards used in the production of printed circuit boards (PCBs).  KBL has a vertically integrated business model including upstream production of a vast majority of its raw materials, including copper foil, glass yarn and fabric, which gives it better profitability than its peers. Kingboard is listed on the HKE.