Guangdong Zhaoqing Porterman Carryon Package Machinery Co., Ltd (formerly Guangdong Zhaoqing Jialong Packaging Machinery Group Co., Ltd), an important enterprise in the packaging machinery industry with the State Economic and Trade Commission, an authorized manufacturer of corrugated cartons for China National Packaging Corporation, a high-tech enterprise of Guangdong Province, is among the earliest of corrugated paper board/carton manufacturing enterprises passing the quality system certification of ISO 9001.  The company covers an area of over one hundred thousand square meters, of which over 60 thousand square meters for workshops.  It has over 1000 staff with more than 130 engineering technicians and other professionals making contributions to the company. Since Jialong company developed the first single facer unit in China in the early 1980s, it has successfully shifted from manufacturing of grinding lathe to R&D, production and distribution of packaging machinery on the basis of over 40 years of extensive machinery manufacturing experience and techniques, thus it became the first enterprise specialized in manufacturing of corrugating machines in China. Along with the guidelines of Credit, Cooperation, Learning and Double-win, Jialong keeps improving its quality in production, technology, management and service.  It has established a complete computer management system, a packaging machinery technology R&D center, a cutting-edge CAD center, achieving an all-around competence of multi-series corrugating machinery manufacturing and becoming one of the top manufacturers in the industry in China with complete categories of products, highest quality and best after-sale service.