Used pro

Trusted Seller
Advanced Heat Treatment High Speed Annealing Mesh Belt Furnace Line
- Manufacturer: Rainbow
Main features: less energy consumption, bigger production, more energy saving, longer equipment service life ,roller space step is 225mm, reducing affordability of each roller, insulation work. We abide by the pr...
Heilongjiang, China
Trusted Seller
Advanced Heat Treatment Energy Saving Industrial Furnace Line
- Manufacturer: Rainbow
Main features: less energy consumption, bigger production, more energy saving, longer equipment service life ,roller space step is 225mm, reducing affordability of each roller, insulation work. We abide by the pr...
Heilongjiang, China
Trusted Seller
Customized Annealing Automatic Hardening Big Size Mesh Belt Furnace Line
- Manufacturer: Rainbow
Main features: less energy consumption, bigger production, more energy saving, longer equipment service life ,roller space step is 225mm, reducing affordability of each roller, insulation work. We abide by the pr...
Heilongjiang, China
Trusted Seller
Automatic Heat Treatment Hardening Big Size Mesh Belt Furnace Line
- Manufacturer: Rainbow
Main features: less energy consumption, bigger production, more energy saving, longer equipment service life ,roller space step is 225mm, reducing affordability of each roller, insulation work. We abide by the pr...
Heilongjiang, China
Trusted Seller
450kg Capacity Heating Furnace Hardening Furnace with Feeder
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Rb500 Drywall Screws Consecutive Mesh Belt Furnace for Heating
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
2025 Hot Sale Bolt Maker M16 Extra Long Bolt Making Machine
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Nut Screw Making Machine Cold Forging Machine for Bolt
- Manufacturer: Rainbow
Company introduce Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(...
Heilongjiang, China
Trusted Seller
Heavy Duty 4 Station Bolt Making Machine for M8 Bolt Maker
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Fastener Hardening Mesh Belt Furnace Tempering Furnace with Magnetic Feeding
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Top Quality Nut Washer Stamping Machine Made in China
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
High Speed Nyloc Nut Washer Assembly Machine
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Energy Saving Hardening Furnace Automatic Mesh Belt Furnace
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
High Capacity 1 Die 2 Blow Cold Former Making Stainless Screws and Bolts
- Manufacturer: Rainbow
Product Description Model RSH6-70 Max Blank diameter (mm)4 6 Max blank length(mm) 70 Max cut off length(mm) 110 Capacity(mm) ...
Heilongjiang, China
Trusted Seller
M8 Cold Forging Machine Heading Machine for Csk Sscrews
- Manufacturer: Rainbow
Company introduce Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(...
Heilongjiang, China