bifa必发

Jiangsu Bosong Engineering Design Class B Qualification Certificate

Horizontal centrifugal casting machine invention patent

Invention patent for heat-resistant steel and preparation method thereof

Invention patent for naphtha preparation of low carbon olefin

Invention patent for centrifugal casting furnace tube and preparation process thereof

Invention patent of rotary disc flange automatic welding equipment

State Technological Invention Award

Shanghai Science and Technology Award

Pressure vessel design certificate

Jiangsu Province Science and Technology Award

Pressure piping element certificate

Jiangsu Province informatization and industrialization integration pilot enterprise certificate