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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 RBF series 4 stations press maker equipment power hammer forging machine bolt making machine manufacturer

RBF series 4 stations press maker equipment power hammer forging machine bolt making machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Good price blacksmith power hammer hydraulic forging press machine bolt and nut making machine manufacturer

Good price blacksmith power hammer hydraulic forging press machine bolt and nut making machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Acceptable customization nuts making machine low freight cold forging machine with steel manufacturer

Acceptable customization nuts making machine low freight cold forging machine with steel

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Large diameter M27 nut former High precision nut making machine with nuts and bolts manufacturer

Large diameter M27 nut former High precision nut making machine with nuts and bolts

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Taiwan Technology nut making machine six station nut forming machine with good tooling manufacturer

Taiwan Technology nut making machine six station nut forming machine with good tooling

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Trustworthy Roller type mesh belt furnace heat treatment equipment for bolts and nuts manufacturer

Trustworthy Roller type mesh belt furnace heat treatment equipment for bolts and nuts

v More
China Powerful factory and High stability  spring washer machine  nail maker high spring roll maker manufacturer

Powerful factory and High stability spring washer machine nail maker high spring roll maker

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such ... More
China Powerful manufacture Made in China  nut threading machine for nuts  full automatic  nut tapping machine manufacturer

Powerful manufacture Made in China nut threading machine for nuts full automatic nut tapping machine

China famous brand cold header screw making machine manufacturer

famous brand cold header 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 famous brand nut tapper manufacturer

famous brand 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 High speed one die two blow screw heading machine on sale manufacturer

High speed one die two blow screw heading machine on sale

Heading Machine                     Model            RSH4-40               Max. Blank Diameter (mm)            4 More
China High speed 4 spindle nut tapping machine for hex and flange nuts manufacturer

High speed 4 spindle nut tapping machine for hex and flange nuts

Full automatic automatic automatic walnut machine, suitable for Hex and Flang Nut product. More
China Rainbow electric type heat treatment furnace with low price manufacturer

Rainbow electric type heat treatment furnace with low price

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 Good quality electropolishing nickel plating machine electroplating line manufacturer

Good quality electropolishing nickel plating machine electroplating line

Free design,Provide quotation list, process chart, lay out drawing, video to see more details
We have specialized in surface treatment equipment for more than 20 years
If you need, please contact me!
Whatsapp---+86 15056856057 More
China Automatic Hot Dip Galavnising Plant Zinc Plating Machine manufacturer

Automatic Hot Dip Galavnising Plant Zinc Plating Machine

Free design,Provide quotation list, process chart, lay out drawing, video to see more details
We have specialized in surface treatment equipment for more than 20 years
If you need, please contact me!
Whatsapp---+86 15056856057 More
China High Productivity Surface Metal Coating Machinery Zinc Plating Machine manufacturer

High Productivity Surface Metal Coating Machinery Zinc Plating Machine

Free design,Provide quotation list, process chart, lay out drawing, video to see more details
We have specialized in surface treatment equipment for more than 20 years
If you need, please contact me!
Whatsapp---+86 15056856057 More
China Free sample metal forging heading machine screw equipment manufacturer

Free sample metal forging heading machine screw equipment

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China RSH series cold forging screw heading machine manufacturer

RSH series cold forging screw heading machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China 1 die 2 blow cold header screw making machine manufacturer

1 die 2 blow cold header screw making machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China Reciprocating nut tapping machine Fully automatic 2 Spindle Nut Tapping Machine with Vibrating manufacturer

Reciprocating nut tapping machine Fully automatic 2 Spindle Nut Tapping Machine with Vibrating

20 可添加模块Details Images More
China Full automatic nail making machine ZPA-3C nail machine for small diameter nails manufacturer

Full automatic nail making machine ZPA-3C nail machine for small diameter nails

Specification More
China High productivity  Hot Sale 2/4 Spindle Flange High Productivity Hex Nut Tapper Nut Tapping Machine manufacturer

High productivity Hot Sale 2/4 Spindle Flange High Productivity Hex Nut Tapper Nut Tapping Machine

roduct Description More
China heat treatment ovens on sale manufacturer

heat treatment ovens on sale

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 cold forming machine good price manufacturer

cold forming machine good price

Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a great in... More