Through safety dual system and safety standardization.
High tech enterprises in Shandong Province.
It is recognized as a municipal enterprise technology center.
The Ministry of science and technology of the people's Republic of China awarded the title of "national scientific and technological small and medium-sized enterprises".
The paper bag production line was successfully put into operation.
Phase II expansion, put into operation the paper bag production line, with a total investment of 24 million yuan.
It was successfully listed in the "national share transfer system for small and medium-sized enterprises".
The products are exported to Europe, America, the Middle East and other regions smoothly.
Complete the corporate restructuring and successfully listed in "Qilu equity".
Introduce domestic advanced automatic production line
A new type of paper plastic based multi-layer coextrusion composite packaging bag was successfully put into operation
The project of 60 million pieces of paper plastic based multi-layer co extrusion composite new packaging with an annual output was completed
Completion of new plant expansion
Zhengyi packaging was established in 2006
