Patent Certificate
Fastener Coating Device
Fastener Coating Device
Fastener Cold Heading Device 2
Fastener Cold Heading Device 2
Cold Heading Device for Fasteners
Cold Heading Device for Fasteners
Machine for Producing Extended U-Bolt with Double-Ended Thread
Machine for Producing Extended U-Bolt with Double-Ended Thread
Device for Evaporative Concentration of Electroplating Wastewater Using Solar
Device for Evaporative Concentration of Electroplating Wastewater Using Solar
T-shaped Bolt
T-shaped Bolt
Novel Positioning Bolt
Novel Positioning Bolt
Semi-Root Hexagonal Bolt
Semi-Root Hexagonal Bolt
Active Feeding Structure Patent Certificate
Active Feeding Structure Patent Certificate
Triangular Connection Bolt Upsetting Forge Process Mold
Triangular Connection Bolt Upsetting Forge Process Mold
Carriage Bolt Assembly Mold Patent Certificate
Carriage Bolt Assembly Mold Patent Certificate
Triangular Head Connection Bolt Forming Tool Mold
Triangular Head Connection Bolt Forming Tool Mold