YellowPrinting.com, as it says, yellow color is one of the important color of the four original printing colours CMYK, which is cyan, magenta, YELLOW & black. Yellow Printing Co., Ltd, founded in 2002, is dedicated to provide professional printing quality paper products in offset printing business line. After growing up and accumulating years experiences, we already obtained a high reputation and recognition both on the domestic market and overseas market in printing business. China Catalog Printing Factory With the experienced designers and the advanced pre-printing CTP equipments, we can print out the pre-production color proofs for our clients to check out the quality and content before mass production to avoid any mistakes.