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Harbin Rainbow Technology Co., Ltd.Address:C2-02 Handi Building,Songbei Distr.,Harbin,ChinaPostal Code:150028Web site address:http://www.fastenerequip... Contact Now
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What is Cold Forging – Cold Forging Process, Materials, Uses, Advantages & Disadvantages

The Complete Guide to Zinc Plating: All You Need To Know

Working principle of nut tapping machine

Nut tapping machine is a kind of machining equipment that processes internal threads, screws or teeth buckles on the inner side of the holes of variou...

Thread Rolling

Tightening bolts can not be ignored friction can cause problems to solve the problem

fortensionbolt, The friction force is a factor to be reckoned with. Bolt friction joint has been in existence, it may be part of the reason that cause...

Difference between hot dip zinc and hot dip galvanising

Hot-dip zincing and hot-dip galvanising are two different processes for corrosion protection of metals, with hot-dip zincing usually providing better ...

How to convert natural gas consumption into MMbtu

The Relationship Between Natural Gas and MMBtu

When to Use Spring Washers: A Comprehensive Guide

What Is Cold Forming?

Analysis of the principle and function of spring washers

In all kinds of mechanical connections, the anti-loosening of bolts is a very important link, and there are many ways to prevent loosening of bolts in...

Keywords : Made in China

China Rainbow Good Factory Price Fully Automatic M10-M12 Nut Cold Forging Machine manufacturer

Rainbow Good Factory Price Fully Automatic M10-M12 Nut Cold Forging Machine

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

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China 2026 Hot Sale Fully Automatic Screw And Rivet Cold Heading Machine manufacturer

2026 Hot Sale Fully Automatic Screw And Rivet Cold Heading Machine

Harbin Rainbow Technology Co. , Ltd comes from China National Machinery Import and Export Corp. Harbin branch. The main business is manufacturing cold forging machine, Bolt Maker, Nut Maker, Part Former, Screw Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace, Zinc plating plant. etc. We have our own factories in China, so you don't have to worry about the source of goods.

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China Fully Automatic Long Screw Making Machine Cold Heading Machine manufacturer

Fully Automatic Long Screw Making Machine Cold Heading Machine

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China 2026 Hot Sale Good Price Fully Automatic 4 Spindle Nut Tapping Machine manufacturer

2026 Hot Sale Good Price Fully Automatic 4 Spindle Nut Tapping Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

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China Fully Automatic RBF-44S Bolt Making Machine 4 Station M4 Bolt Cold Forging Machine manufacturer

Fully Automatic RBF-44S Bolt Making Machine 4 Station M4 Bolt Cold Forging Machine

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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.

Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

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China Rainbow RSH8-120 1 Die 2 Blow Cold Heading Machine | 8mm Automatic Screw & Bolt Making Machine, 60-80pcs/min manufacturer

Rainbow RSH8-120 1 Die 2 Blow Cold Heading Machine | 8mm Automatic Screw & Bolt Making Machine, 60-80pcs/min

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China High Speed 60-80pcs/min Cold Heading Machine - RSH8-120 Automatic Screw & Bolt Forming Equipment 3. manufacturer

High Speed 60-80pcs/min Cold Heading Machine - RSH8-120 Automatic Screw & Bolt Forming Equipment 3.

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China Rainbow RSH8-120 Screw Cold Heading Machine | 8mm Automatic Bolt Making Machine, 60-80pcs/min 2. manufacturer

Rainbow RSH8-120 Screw Cold Heading Machine | 8mm Automatic Bolt Making Machine, 60-80pcs/min 2.

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China High Speed 120-140pcs/min Cold Heading Machine - RSH5-60 Automatic Screw Making Machine, Two Die Four Blow 3. manufacturer

High Speed 120-140pcs/min Cold Heading Machine - RSH5-60 Automatic Screw Making Machine, Two Die Four Blow 3.

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China China 2026 Rainbow Fully Automatic Screw Making Machine for M5 Screws, 3.0KW Power manufacturer

China 2026 Rainbow Fully Automatic Screw Making Machine for M5 Screws, 3.0KW Power

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China Rainbow China Manufacturer Fully Automatic Bolt Cold Forging Machine Screw Header Machine manufacturer

Rainbow China Manufacturer Fully Automatic Bolt Cold Forging Machine Screw Header Machine

high quality hydraulic forging press bolt making machine power hammer cold forging machine

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China Rainbow High Speed Thread Rolling Machine for 3-6mm Screws manufacturer

Rainbow High Speed Thread Rolling Machine for 3-6mm Screws

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

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China Automatic Cold Heading Machine High Speed Screw Making Machine manufacturer

Automatic Cold Heading Machine High Speed Screw Making Machine

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

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China Rainbow Energy Saving Heat Treatment Furnace Good Quality Fastener Furnace manufacturer

Rainbow Energy Saving Heat Treatment Furnace Good Quality Fastener Furnace

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different needs

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China M6 M8 Thead Rolling Machines manufacturer

M6 M8 Thead Rolling Machines

Various types of thread rolling machine to meet your various needs.

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China Automatic Thread Roller Screw Thread Rolling Machine manufacturer

Automatic Thread Roller Screw Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.

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China High Speed Flat Die Threading Machines Thread Rolling Machine manufacturer

High Speed Flat Die Threading Machines Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.

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China Famous Brand Flat Die Thread Rolling Machine For Sale manufacturer

Famous Brand Flat Die Thread Rolling Machine For Sale

Various types of thread rolling machine to meet your various needs.

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China Screw Cold Heading Machine Automatic Bolt Making Machine at Best Price manufacturer

Screw Cold Heading Machine Automatic Bolt Making Machine at Best Price

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

More
China Automatic Thread Roller Thread Rolling Machine Screw Making Machine manufacturer

Automatic Thread Roller Thread Rolling Machine Screw Making Machine

Various types of thread rolling machine to meet your various needs.

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China Full Automatic Spindle Tapping & Nut Drilling Machine with PLC Control High Productivity Motor & Pump manufacturer

Full Automatic Spindle Tapping & Nut Drilling Machine with PLC Control High Productivity Motor & Pump

China Automatic Nail Making Machine High Speed Motor Easy to Operate for Nails 1000/hour Production Capacity 1000kg manufacturer

Automatic Nail Making Machine High Speed Motor Easy to Operate for Nails 1000/hour Production Capacity 1000kg

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(NINGBO), one Heat treatment furnace factory (SUQIAN) and one Electroplating equipment factory(WUXI).

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. 

With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years. Nowadays, more and more reputed companies compete in a long-term cooperation with us.

We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

More
China Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine 380V 20kw manufacturer

Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine 380V 20kw

  • High-Power Performance: 20kw motor ensures efficient operation.
  • Durable Structure: Built for long-term use in hardware bolt nut factories.
  • Wide Application: Ideal for manufacturing bolts and nuts across various industries.
  • User-Friendly Design: Easy-to-operate interface for smooth production workflow.
  • Reliable Warranty: 1-year warranty on key components for peace of mind.
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China High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screws manufacturer

High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screws

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

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