Laiwu Zhengqi Plastic Machinery Co., Ltd.
Laiwu Zhengqi Plastic Machinery Co., Ltd. integrates research and development, design and manufacture. The science and technology play a leading role in our company. Our company has been entitled as an important high and new tech enterprise and Shandong Province multilayer co-extrusion plastic processing equipment R&D center. At the same time, our company passed ...

China 













