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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

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...

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 ...

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...

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

What Is Cold Forming?

What's self-tapping screw?

Self-tapping screws: similar to machine screws, but the threads on the screw for special self-tapping screws with threads. Used to fasten the connecti...

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...

High speed installation cold forging machine bolts and nuts making machine for screw

Keywords : Carbon steel

China Made in China industrial furnace high temperature annealing furnace with discount manufacturer

Made in China industrial furnace high temperature annealing furnace with discount

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s...

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China 2026 Fully Automatic Cold Heading Machine Screw Making Machine manufacturer

2026 Fully Automatic Cold Heading Machine Screw Making Machine

High Speed Automatic 1 die 2 blow Cold Heading Machine Screw Making Machine

Multi stations Metal Forging Machinery

Cold Header Heading Machine

Screw Making Machines

Cold heading machine price

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China 2026 Rainbow High Speed Fully Automatic Screw Making Machine manufacturer

2026 Rainbow High Speed Fully Automatic 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 Socket Screw Forming Machine with Length 120mm manufacturer

Socket Screw Forming Machine with Length 120mm

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 Automatic Screw Cold Heading Machine Harbin Rainbow Technology manufacturer

Automatic Screw Cold Heading Machine Harbin Rainbow Technology

China Best Price Good Quality Wire Nail Making Machine manufacturer

Best Price Good Quality Wire Nail Making Machine

Nail making machine This machine is advanced in design, compact in structure, beautiful in appearance, easy to use, safe in operation, high speed and so on.

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China One Die Two Blow  M8 Screw Machine Machine China manufacturer

One Die Two Blow M8 Screw Machine Machine China

China Multi  Station Cold Foging Bolt Making Machine CE manufacturer

Multi Station Cold Foging Bolt Making Machine CE

China Heavy duty nut forming machine for M16 nut and bolt making machine manufacturer

Heavy duty nut forming machine for M16 nut and bolt making 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 Rainbow Automatic 6 Station Nuts Making Machine High Precision Cold Forging Machine manufacturer

Rainbow Automatic 6 Station Nuts Making Machine High Precision 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 Long stroke nut forming machine for Auto part former with low sound manufacturer

Long stroke nut forming machine for Auto part former with low sound

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 Multi station cold forging machine for M14 hex nut former with 10% discount manufacturer

Multi station cold forging machine for M14 hex nut former with 10% discount

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 7 station nut making machine heavy duty nut former with good quality manufacturer

7 station nut making machine heavy duty nut former with good quality

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 Automatic Nut Making Machine for M30 High Efficiency Spare Parts Making Machine manufacturer

Automatic Nut Making Machine for M30 High Efficiency Spare Parts Making 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 Automatic 1 Die 2 Header Screw Cold Heading Machine High Speed Screw Making Machine manufacturer

Automatic 1 Die 2 Header Screw 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

More
China Automatic Screw Making Machine Screw Cold Heading Machine manufacturer

Automatic Screw Making Machine Screw Cold Heading Machine

China Best Quality Nails Manufacturing Machinery Nail Making Machine manufacturer

Best Quality Nails Manufacturing Machinery Nail Making Machine

Nail making machine This machine is advanced in design, compact in structure, beautiful in appearance, easy to use, safe in operation, high speed and so on.

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China Nail Making Machine  Hight Speed manufacturer

Nail Making Machine Hight Speed

Nail making machine This machine is advanced in design, compact in structure, beautiful in appearance, easy to use, safe in operation, high speed and so on.

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China High Speed Screw Cold Heading Machine Harbin Rainbow manufacturer

High Speed Screw Cold Heading Machine Harbin Rainbow

China Fully Automatic Cold Foging Bolt Making Machine Harbin Rainbow manufacturer

Fully Automatic Cold Foging Bolt Making Machine Harbin Rainbow

China Heat Treatment Mesh Belt Furnace 150kg-1000kg  Harbin Rainbow manufacturer

Heat Treatment Mesh Belt Furnace 150kg-1000kg Harbin Rainbow

China China Fully Automatic M6-M10 Screw Bolt Threading Rolling Machine manufacturer

China Fully Automatic M6-M10 Screw Bolt Threading Rolling Machine

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

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China Fully Automatic Screw making machine Cold Heading Machine manufacturer

Fully Automatic Screw making machine 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 2026 hot sale fully automatic screw cold heading machine manufacturer

2026 hot sale fully automatic screw 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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