Sum Hing Enterprise Company (HK) & DongGuan SanQun Packing Products CO., Ltd (CHN),which specializes in producing all kinds of printing boxes, plastic bags, and customized packages and so on, is a sole-invested enterprise. Located in DongGuan City, Guangdong Province, China, Our factory was set up in 1999. The total plant covers an area of over 20,000 square meters. We have more than 1,200 employees including 150 professional technicians and 92 professional engineers. With advanced equipment and technology. We have passed through the ISO9001:2008 quality management system and ISO14001:2004 environmental management system certification. We have become famous in the domestic market but also have long term cooperation with more and more international famous companies.We mainly manufacturer two products:1. Packaging boxes, such as gift box, corrugated cartons, colorful cards and so on2. Plastic bags, such as PO bag, PE bag, OPP bag, anti-static bubble bag and so onVia sophisticated manufacturing technology, we are continually updating our management system, expanding our enterprise size, and recruiting talented personnel in order to expand our market share. If you are interested in any of our existing products, or have a customized order, please contact us with your details. We are looking forward to receiving your correspondence and requirement soon.