Dongguan Longxingsheng Machinery Co., Ltd is located in world manufacture city-Dongguan City, Guangdong Province. We have independent R&D Department which is led by Tsinghua University Doctor. Up to now, we have got more than 10 patents including practical patents, appearance patents and technology-based patents. We have been specialized in post-press machinery's research, development, manufacturing and selling for more than 10 years. Grooving machine series and rigid box forming series are our main products.