Jinan Spring Sign Plastics Co.,Ltd was founded in 2006 which located in the Spring City Jinan, China. We are leading manufacturer and trading combo for PP Corrugated Sheet for signs and packaging market. Our factory owns 6 automatic production lines include one line from Union Italy. We can produce Various attractive colors, and wide range of available thickness from 2mm-12mm.Until now our popular PP Corrugated Sheet are extensively used for advertising, printing and signage, packaging box, floor protection, beverage layer pad, tree guard and other industries.