On April 7th, 2017, our company GUANGZHOU KESHENGLONG CARTON PACKING MACHINE CO.,LTD. as a China corrugated printing machine manufacturers, applied for the jumbo corrugated carton flexo down printing machine patent certification.

Experienced for almost two years examination,SIPO finally granted for a patent to our printing slotting die cutting machine, and the duration of patent right is for 20 years.