Business scope: Import And Export,
Technology Import And Export,
Sales Of Building Materials,
Metal Material Sales,
Chemical Product Sales,
Technical Services,
Technology Development,
Technical Consulting,
Technology Exchange,
Technology Transfer,
Technology Promotion,
Auto Parts Wholesale,
Sales Of Technical Glass Products,
Optical Glass Sales,
Sales Of Non Metallic Minerals And Products,
Metal Material Manufacturing,
Manufacture Of Non Metallic Mineral Products,
Coal And Product Sales,
Sales Of Agricultural And Sideline Products,
Manufacturing Of Lightweight Building Materials,
Optical Glass Manufacturing
...