The steady growth of China's cold chain equipment market has also led to the development of the upstream supply chain market. As the core parts of the compressor field, mainly covers the fully enclosed piston, rotor, scroll, semi-enclosed piston and screw type five categories of compressor products.

The steady growth of China's cold chain equipment market has also led to the development of the upstream supply chain market. As the core parts of the compressor field, mainly covers the fully enclosed piston, rotor, scroll, semi-enclosed piston and screw type five categories of compressor products.

The expansion of high-tech enterprise projectsThe main reasons for the failure of the provincial engineering center and the provincial specialized new small and medium-sized enterprises in the early declaration are as follows:1. R&d expenditure does not match the actual R&D project;2. The educationa