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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

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 ...

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...

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...

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...

Keywords : High Precision

China Automatic Hard Chrome Metal Electroplating Machinery manufacturer

Automatic Hard Chrome Metal Electroplating Machinery

free design electroplating plating line zinc,chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China automatic thread rolling machine  roller  for screws manufacturer

automatic thread rolling machine roller for screws

Wire rolling machine is usually composed of fuselage, motor, portable wire rolling plate, wire rolling strip and wear protective cover and other compo... More
China Rainbow cold forging machine bolt making machine manufacturer

Rainbow cold forging machine bolt making machine

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China wholesale 1 die 2 blow cold former manufacturer

wholesale 1 die 2 blow cold former

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 wholesale chrome plating equipmant line manufacturer

wholesale chrome plating equipmant line

China High speed thread rolling machine manufacturer

High speed thread rolling machine

We can supply high-accuracy, high-strength, and non-standard flat thread rolling dies such as Metric thread, whitworth thread, unified thread, worm, trapezoidal thread, spline, tape thread, wood screw, self-tapping screw, dry wall screw, self-drilling screw, straight thread, diagonal thread, etc. More
China Full automatic electric Zinc plating line manufacturer

Full automatic electric Zinc plating line

Full Automatic Rack and Barrel Zinc Electroplating Plant More
China Rainbow High Speed Screw Bolt Thread Rolling Machine manufacturer

Rainbow High Speed Screw Bolt Thread Rolling Machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Rainbow Manufacturer Screw Thread Roller manufacturer

Rainbow Manufacturer Screw Thread Roller

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Rainbow High Productivity Screw Bolt Thread Rolling Machine manufacturer

Rainbow High Productivity Screw Bolt Thread Rolling Machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China High capacity falt die thread rolling machine for screws and bolts manufacturer

High capacity falt die thread rolling machine for screws and bolts

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China High speed 6/7 station nut former for hex flange nut making manufacturer

High speed 6/7 station nut former for hex flange nut making

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(... More
China High Speed Metal Moulding Professional Thread Rolling  Machine manufacturer

High Speed Metal Moulding Professional Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China China Screw and Bolt Thread Making Machine Thread Rolling Machine manufacturer

China Screw and Bolt Thread 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 factory price cold heading machine 1 die 2 blow cold former manufacturer

factory price cold heading machine 1 die 2 blow cold former

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 made in china zinc plating equipment big size electroplating machine manufacturer

made in china zinc plating equipment big size electroplating machine

China Automatic Nickel Chrome Rack Electroplating Production Line manufacturer

Automatic Nickel Chrome Rack Electroplating Production Line

free design electroplating plating line zinc,chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China Rainbow High Speed Thread Roller for Making Screws Bolts manufacturer

Rainbow High Speed Thread Roller for Making Screws Bolts

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Manufacturer Price Screw Bolt Thread Rolling Machine manufacturer

Manufacturer Price Screw Bolt Thread Rolling Machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Rainbow Manufacturer Price Thread Rolling Machine manufacturer

Rainbow Manufacturer Price Thread Rolling Machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Full automatic circle die thread rolling machine manufacturer

Full automatic circle die thread rolling machine

Hydraulic thread rolling machine The cold rolling process of thread rolling is an advanced non-cutting process, which can effectively improve the i... More
China Autonatic steel balls heading machine with high speed and low price manufacturer

Autonatic steel balls heading machine with high speed and low price

This machine is specially supplied for cold heading bearing steel, carbon steel, stainless steel, copper, aluminum etc metal ball billet. Whole working process, such as feeding, cutting, cold heading and ejection processes are automatically and continuously. More
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