Patent Certificate

Fastener Coating Device
Fastener Coating Device

Fastener Coating Device

Fastener Cold Heading Device 2
Fastener Cold Heading Device 2

Fastener Cold Heading Device 2

Cold Heading Device for Fasteners
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

Machine for Producing Extended U-Bolt with Double-Ended Thread

Device for Evaporative Concentration of Electroplating Wastewater Using Solar Water Heater
Device for Evaporative Concentration of Electroplating Wastewater Using Solar

Device for Evaporative Concentration of Electroplating Wastewater Using Solar

T-shaped Bolt
T-shaped Bolt

T-shaped Bolt

Novel Positioning Bolt
Novel Positioning Bolt

Novel Positioning Bolt

Semi-Root Hexagonal Bolt
Semi-Root Hexagonal Bolt

Semi-Root Hexagonal Bolt

Active Feeding Structure Patent Certificate
Active Feeding Structure Patent Certificate

Active Feeding Structure Patent Certificate

Triangular Connection Bolt Upsetting Forge Process Mold
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

Carriage Bolt Assembly Mold Patent Certificate

Triangular Head Connection Bolt Forming Tool Mold
Triangular Head Connection Bolt Forming Tool Mold

Triangular Head Connection Bolt Forming Tool Mold