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

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China 2026 Fully Automatic M16-M18 Nut Forming Machine Cold Forging Machine manufacturer

2026 Fully Automatic M16-M18 Nut Forming Machine 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 Continuously Mesh Belt Furnace Heat Treatment Furnace manufacturer

2026 Hot Sale Continuously Mesh Belt Furnace Heat Treatment 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

More
China 2026 Factory Low Price Fully Automatic Nut Washer Assembly Machine manufacturer

2026 Factory Low Price Fully Automatic Nut Washer Assembly Machine

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...

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China Rainbow Fully Automatic M20-M30 Big Screw and Bolt Thread Rolling Machine manufacturer

Rainbow Fully Automatic M20-M30 Big Screw and Bolt Thread Rolling 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 2026 Hot Sale Fully Automatic M8-M12.7 Bolt Making Machine Cold Forging Machine manufacturer

2026 Hot Sale Fully Automatic M8-M12.7 Bolt Making Machine 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 Fully Automatic 4 Spindle M14 Nut Tapping Machine manufacturer

Rainbow Fully Automatic 4 Spindle M14 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 Rainbow 14B6S Multi-station Nut Cold Forging Machine Automatic Hex Nut Cold Heading Machine for Fastener Manufacturing manufacturer

Rainbow 14B6S Multi-station Nut Cold Forging Machine Automatic Hex Nut Cold Heading Machine for Fastener Manufacturing

Our Rainbow 14B6S multi-station nut cold forging machine is a high-efficiency automatic cold heading equipment specially designed for nut mass production. It adopts stable mechanical transmission structure, low failure rate and long service life.

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China Advanced High Capacity Automatic Continuous Mesh Belt Furnace for Fasteners manufacturer

Advanced High Capacity Automatic Continuous Mesh Belt Furnace for Fasteners

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

More
China Continuous Heat Treatment Mesh Belt Furnace Customizable Fastener Production Line manufacturer

Continuous Heat Treatment Mesh Belt Furnace Customizable Fastener Production Line

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

More
China 500kg/h Continuous Mesh Belt Heat Treatment Furnace for Screw Bolt Hardening manufacturer

500kg/h Continuous Mesh Belt Heat Treatment Furnace for Screw Bolt Hardening

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

More
China Factory Price High Speed Thread Rolling Machine for Metal Screw Production manufacturer

Factory Price High Speed Thread Rolling Machine for Metal Screw Production

China M10 Stable Running Thread Rolling Machine High Capacity at Factory Price manufacturer

M10 Stable Running Thread Rolling Machine High Capacity at Factory Price

China CY20Z High Speed Thread Rolling Machine Screw Thread Processing Equipment 450 pcs/min manufacturer

CY20Z High Speed Thread Rolling Machine Screw Thread Processing Equipment 450 pcs/min

China 3-6mm Best Quality Automatic Thread Rolling Machine Screw Bolt Thread Making Machine manufacturer

3-6mm Best Quality Automatic Thread Rolling Machine Screw Bolt Thread Making Machine

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 Continuous Mesh Belt Heat Treatment Furnace For Screw Bolt Fastener Quenching Tempering Furnace manufacturer

Continuous Mesh Belt Heat Treatment Furnace For Screw Bolt Fastener Quenching Tempering 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

More
China High Speed 1 Die 2 Blow Cold Heading Machine Screw Header M8-120 manufacturer

High Speed 1 Die 2 Blow Cold Heading Machine Screw Header M8-120

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 CY08XN Screw and Bolt Thread Rolling Machine manufacturer

CY08XN Screw and Bolt Thread Rolling Machine

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

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China 400PCS/Min Screws Thread Rolling Machines with dies manufacturer

400PCS/Min Screws Thread Rolling Machines with dies

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

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China M6 Good Quality Servo Motor Screw and Bolt Thread Making Machine manufacturer

M6 Good Quality Servo Motor Screw and Bolt Thread Making Machine

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

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China M6 400PCS/Min Bolts Thread Rolling Machines with dies manufacturer

M6 400PCS/Min Bolts Thread Rolling Machines with dies

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

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China M6 400PCS/Min Bolts and SCrews Thread Rolling Machines with dies manufacturer

M6 400PCS/Min Bolts and SCrews Thread Rolling Machines with dies

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

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China M6 Servo Motor Screw and Bolt Thread Making Machine manufacturer

M6 Servo Motor Screw and Bolt Thread Making Machine

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

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China Continuous Mesh Belt Furnace Heat Treatment Furnace for Fastener Quenching Tempering manufacturer

Continuous Mesh Belt Furnace Heat Treatment Furnace for Fastener Quenching Tempering

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

More
China Automatic Thread Roller Thread Rolling Machine for Fastener Thread Making manufacturer

Automatic Thread Roller Thread Rolling Machine for Fastener Thread Making

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