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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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The differences between spring washers and plain washers

It consists of a thin plate in the shape of the donut of metal with an opening in the middle, and the washing machines are used to distribute a tusk.A...

What's washer?

Washers: flat circular shape of a class of fasteners. Placed on the bolt, screw or nut support surface and connection between the surface of the parts...

HAPPY NEW YEAR 2017!

MAY ALL COOPERATED FACTORIES AND CUSTOMERS HAVE A PROSPECTED YEAR!

Burr fastener processing knowledge

What is a fastener glitch? Glitch refers to the fastener surface of the fastener very fine microscopic metal particles that glitch was that we become....

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...

2017 THE YEAR OF INTERNET OF THINGS (IOT): MORGAN STANLEY

We at are an inflection point for the development and adoption of IoT technology, that’s the main takeaway from a new report on the Internet of Thing...

Locking threaded fasteners are three basic methods of connection

The basic method of locking threaded fasteners are divided into three basic types: a. Non-detachable locking This is a use weld, bonding, or red spots...

165S part former arrives at Mumbai port

one set of 165S part former has just arrived at Mumbai, India port.

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...

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...

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China High Quality  Wire Annealing Ovens Continuous Mesh Belt Heat Treatment Furnace manufacturer

High Quality Wire Annealing Ovens Continuous Mesh Belt Heat Treatment Furnace

Product Description More
China Guarantee quality and High precision 4 Spindles Nut Tapping Machine manufacturer

Guarantee quality and High precision 4 Spindles Nut Tapping Machine

Our Service More
China Hot popular Cold Forging machine bolt forming machine with inveter for good design manufacturer

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

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Harbin Rainbow Cold Forging machine nut maker with RBF164s for good design manufacturer

Harbin Rainbow Cold Forging machine nut maker with RBF164s for good design

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Cold Forging machine nut maker with RBF164s model in Indian big market manufacturer

Cold Forging machine nut maker with RBF164s model in Indian big market

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Rainbow High Productivity Screw Making Machine Hot Sale Cold Heading Machine manufacturer

Rainbow High Productivity Screw Making Machine Hot Sale Cold Heading Machine

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid... More
China Rainbow 1 Die 2 Blow High Productivity Screw Cold Heading Machine manufacturer

Rainbow 1 Die 2 Blow High Productivity Screw Cold Heading Machine

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid... More
China Rainbow High Speed Screw Making Machine Cold Header manufacturer

Rainbow High Speed Screw Making Machine Cold Header

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid... More
China Rainbow Manufacture Screw Cold Heading Machine manufacturer

Rainbow Manufacture Screw Cold Heading Machine

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid... More
China Rainbow High Efficiency Cold Heading Machine manufacturer

Rainbow High Efficiency Cold Heading Machine

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid... More
China Good quality screw making machine cold header manufacturer

Good quality screw making machine cold header

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 high quality chrome plating machine galvanizing equipment manufacturer

high quality chrome plating machine galvanizing equipment

China high quality heat treatment ovens manufacturer

high quality heat treatment ovens

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 Hot sale continuous mesh belt furnace manufacturer

Hot sale continuous mesh belt furnace

China Guarantee quality  Thread Making Machine  Thread Rolling Machine manufacturer

Guarantee quality Thread Making Machine Thread Rolling Machine

v18 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 Stong practicality 4 Spindles  Nut Threading Machine  Nut Tapping Machine manufacturer

Stong practicality 4 Spindles Nut Threading Machine Nut Tapping Machine

etails Images Product name Nut tapping machine ... More
China High speed flat die thread roller for M1-M3 screws on sale manufacturer

High speed flat die thread roller for M1-M3 screws on sale

Various types of thread rolling machine to meet your various needs. More
China Flat die thread rolling machine for M30 screws and bolts manufacturer

Flat die thread rolling machine for M30 screws and bolts

Various types of thread rolling machine to meet your various needs. More
China Screw bolt thread rolling machine for M24 products manufacturer

Screw bolt thread rolling machine for M24 products

Various types of thread rolling machine to meet your various needs. More
China High speed bolt making machine Harbin Rainbow cold forging machine with bolts and moulds manufacturer

High speed bolt making machine Harbin Rainbow cold forging machine with bolts and moulds

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Huge discount bolt making machine Harbin Rainbow cold heading machine with bolts and moulds manufacturer

Huge discount bolt making machine Harbin Rainbow cold heading machine with bolts and moulds

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Big Diameter cold former machine Harbin Rainbow cold heading machine with bolts and nuts manufacturer

Big Diameter cold former machine Harbin Rainbow cold heading machine with bolts and nuts

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China 2024 hot sale M20 screw and bolt thread rolling machine manufacturer

2024 hot sale M20 screw and bolt thread rolling machine

Various types of thread rolling machine to meet your various needs. More
China Chinese made high speed M16 screw thread rolling machine manufacturer

Chinese made high speed M16 screw thread rolling machine

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