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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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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 ...

What is Cold Forging – Cold Forging Process, Materials, Uses, Advantages & Disadvantages

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

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...

Max diameter one key molding nut drilling machine 2 spindle nut tapping machine

Nut tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or teeth in the inner side of the holes of th...

Hot popular Cold Forging machine bolt forming machine with inveter for good design

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

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...

China factory price and Advanced Automatic Screw Maker Thread Rolling Machine

Product Descriptionview more >>Frequently bought togetherHigh Speed Thread Rolling Machine Factory Price Thread Roller Hot Sale Thread Machine$4,800.0...

hot forging furnace induction heating machine ipsen furnace mesh belt

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

Keywords : Made in China

China High capacity Metal Forging Machinery Nut Making Machine manufacturer

High capacity Metal Forging Machinery Nut Making Machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Factory Price Nut tapper Nut Making Machine manufacturer

Factory Price Nut tapper Nut Making Machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Automatic Rebar Threading Machine Large Coupler Tapping Machine manufacturer

Automatic Rebar Threading Machine Large Coupler Tapping Machine

Tapping machine for large rebar coupler,high capacity, with 2 feeding systems
whatsapp:+86 15056856057 More
China high capacity zinc plating equipment manufacturer

high capacity zinc plating equipment

China hot sale cold heading machine manufacturer

hot sale cold heading machine

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc.



We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business.



We have the confidence, backed by our professional knowledge and experience in the mechanical and electrical business, to develop the foreign markets for our home enterprises and to open up the Chinese markets for the companies abroad.



Nowadays, more and more reputed companies compete in a long-term cooperation with us. That‘s why we can provide our customers with the best quality products, the bes More
China Trolley annealing furnace  for heavy castings and steel parts manufacturer

Trolley annealing furnace for heavy castings and steel parts

This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature More
China High Speed Rainbow 6 station nut former with low price manufacturer

High Speed Rainbow 6 station nut former with low price

Main process of nuts production:Wire drawing-Annealing- Cold forging- Heat treament-Glvanizing More
China Free design automatic electroplating production line manufacturer

Free design automatic electroplating production line

free design electroplating plating line zin,chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China CY06XN 400pcs/min High capacity thread rolling machine manufacturer

CY06XN 400pcs/min High capacity thread rolling machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China Advanced Surface Machinery Galavnising Plant Zinc Plating Machine manufacturer

Advanced Surface Machinery Galavnising Plant Zinc Plating Machine

Full Automatic barrel plating line chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China high capacity 1 die 2 blow cold forming machine heading machie manufacturer

high capacity 1 die 2 blow cold forming machine heading machie

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc.



We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business.



We have the confidence, backed by our professional knowledge and experience in the mechanical and electrical business, to develop the foreign markets for our home enterprises and to open up the Chinese markets for the companies abroad.



Nowadays, more and more reputed companies compete in a long-term cooperation with us. That‘s why we can provide our customers with the best quality products, the bes More
China extra long zinc plating line high efficiency manufacturer

extra long zinc plating line high efficiency

China Good Price High Quality CY30Z screw machine making thread machine supplier manufacturer

Good Price High Quality CY30Z screw machine making thread machine supplier

CY30Z Thread Rolling Machine 

Model CY30Z
Diameter Range (mm) 20-30
Screw Length (mm) 250/300
Max. Thread Length (mm) 150
Moving Die Size (mm) 450/500/50
Main Motor (KW) 55
Output (Pcs/Min) 20-30
Approx Weight (kg) 22330
Machine Size (L*W*H)(mm) 5600×2500×2850 More
China Good Price High Quality CY24Z China supplier screw making machine thread rolling machine manufacturer

Good Price High Quality CY24Z China supplier screw making machine thread rolling machine

CY24Z Thread Rolling Machine 

Model CY24Z
Diameter Range (mm) 16-24
Screw Length (mm) 200/300
Max. Thread Length (mm) 150
Moving Die Size (mm) 380/420/50
Main Motor (KW) 45
Output (Pcs/Min) 35-45
Approx Weight (kg) 18300
Machine Size (L*W*H)(mm) 5100×2320×2600 More
China Good Price High Quality CY20Z Screw Making Machine Manufacturer Thread Rolling Machine manufacturer

Good Price High Quality CY20Z Screw Making Machine Manufacturer Thread Rolling Machine

CY20Z Thread Rolling Machine 

Model CY20Z
Diameter Range (mm) 14-20
Screw Length (mm) 200/300
Max. Thread Length (mm) 150
Moving Die Size (mm) 290/330/50
Main Motor (KW) 37
Output (Pcs/Min) 40-50
Approx Weight (kg) 14000
Machine Size (L*W*H)(mm) 2200×4700×2200 More
China Rainbow Brand high temperture furnace for bolts manufacturer

Rainbow Brand high temperture furnace for bolts

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→  Hardening Furnace → Oil quenching tank → Rear Washer ... More
China Automatic high 4 spindle nut tapping machine manufacturer

Automatic high 4 spindle nut tapping machine

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China high speed nail maker nail manufacturing plant wire nail making machine manufacturer

high speed nail maker nail manufacturing plant 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 ... More
China Automatic Screw and Bolt making Machine Thread Rolling Machine manufacturer

Automatic Screw and Bolt making Machine Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China barrel plating line chrome-nickel plating machine manufacturer

barrel plating line chrome-nickel plating machine

Full Automatic barrel plating line chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China stable performance heating mesh belt treatment furnace manufacturer

stable performance heating mesh belt treatment furnace

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China chinese made bolt forging machine hot sale bolt maker manufacturer

chinese made bolt forging machine hot sale bolt maker

Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a great in... More
China chinese made nut parts forming machine manufacturer

chinese made nut parts forming machine

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc. We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business. More
China Rainbow 1 Die 2 Blow RSH 4-40 Cold Heading Machine manufacturer

Rainbow 1 Die 2 Blow RSH 4-40 Cold Heading Machine

Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank ... More