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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 : High speed

China industry continuous mesh belt furnace Less friction heat treatment equipment with tank manufacturer

industry continuous mesh belt furnace Less friction heat treatment equipment with tank

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 Mesh belt gas stove tempering furnace kardon heat treatment furnace for parts and steel manufacturer

Mesh belt gas stove tempering furnace kardon heat treatment furnace for parts and steel

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 Strong practicality The furnace  light weight Mesh Belt Furnace  Warm up fast heat treatment furnace manufacturer

Strong practicality The furnace light weight Mesh Belt Furnace Warm up fast heat treatment furnace

China China wholesale    Factory direct sales rolling machine with flat die roller threading machine good quality manufacturer

China wholesale Factory direct sales rolling machine with flat die roller threading machine good quality

v17 可添加模块Products DescriptionTitle goes here.Advantages of our products: stable,high speed, high accuracy,high efficiency, and we offer after sal... More
China Advanced Custom manufacture  coil spring making machine  Spring Washer Making Machine manufacturer

Advanced Custom manufacture coil spring making machine Spring Washer Making Machine

oduct Description More
China durable nut tapping machine good quality nut tapper manufacturer

durable nut tapping machine good quality nut tapper

We're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading... More
China Chinese made bolt making maker customized cold former manufacturer

Chinese made bolt making maker customized cold former

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 cold header on sale screw making machine manufacturer

cold header on sale screw making 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 Best Price Rebar Steel Thread Making Machine manufacturer

Best Price Rebar Steel Thread Making Machine

Various types of thread rolling machine to meet your various needs. More
China Best Price Screw and Bolt Making Machine Thread Rolling Machine manufacturer

Best Price Screw and Bolt Making Machine Thread Rolling Machine

Various types of thread rolling machine to meet your various needs. More
China High Speed Flat Die Thread Roller Thread Rolling Machine manufacturer

High Speed Flat Die Thread Roller Thread Rolling Machine

Various types of thread rolling machine to meet your various needs. More
China Multi station nut and bolt making machine for M36 nuts manufacturer

Multi station nut and bolt making machine for M36 nuts

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Chinese Rainbow brand nut making machine for hex nuts manufacturer

Chinese Rainbow brand nut making machine for hex nuts

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Six die nut and spare part forging machine nut former manufacturer

Six die nut and spare part forging machine nut former

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Rainbow Manufacture Spring Washer Machine Coil Machine manufacturer

Rainbow Manufacture Spring Washer Machine Coil Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Rainbow Automatic Spring Washer Making Machine Coil Machine manufacturer

Rainbow Automatic Spring Washer Making Machine Coil Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Rainbow Spring Washer Machine High Speed Coil Machine manufacturer

Rainbow Spring Washer Machine High Speed Coil Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Rainbwo 3-5mm High Speed Spring Washer Coil Machine manufacturer

Rainbwo 3-5mm High Speed Spring Washer Coil Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Rainbow Automatic Thread Rolling Machine for Large Screw manufacturer

Rainbow Automatic Thread Rolling Machine for Large Screw

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 Screw Thread Roller manufacturer

Rainbow 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 CY12X Thread Rolling Machine for Screws manufacturer

Rainbow CY12X Thread Rolling Machine for Screws

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 Thread Rolling Machine for M6-M10 manufacturer

Rainbow Thread Rolling Machine for M6-M10

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 Speed Thread Roller for Screws manufacturer

Rainbow High Speed Thread Roller for Screws

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 CY08X Auotmatic Screw Thread Rolling Machine manufacturer

Rainbow CY08X Auotmatic Screw 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