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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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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....

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...

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...

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...

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...

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.

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 ...

HAPPY NEW YEAR 2017!

MAY ALL COOPERATED FACTORIES AND CUSTOMERS HAVE A PROSPECTED YEAR!

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...

Category

China Hot Sale 4 Spindles Drilling Machine Nut Threading Machine Servo Press Nut Tapping Machine manufacturer

Hot Sale 4 Spindles Drilling Machine Nut Threading Machine Servo Press Nut Tapping Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. More
China 2 Working Stations Nut Threading Machine 4 Spindles High Speed Nut Tapping Machine manufacturer

2 Working Stations Nut Threading Machine 4 Spindles High Speed Nut Tapping Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. More
China Multi working stations fasteners drilling press machines 4 spindles nut tapping Machine manufacturer

Multi working stations fasteners drilling press machines 4 spindles nut tapping Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. More
China Specially customized Galvanized line Deep metal surface treatment pickling bath for bolts and nuts manufacturer

Specially customized Galvanized line Deep metal surface treatment pickling bath for bolts and nuts

Bunny Zhang / Business Manager
Harbin Rainbow Technology Co., Ltd. Ningbo Branch
Mobile/WhatsApp/Wechat: +86 15678396701
Phone: 86-451-51066797 More
China Galvanized line Deep metal surface treatment pickling bath with Plating other metals manufacturer

Galvanized line Deep metal surface treatment pickling bath with Plating other metals

Bunny Zhang / Business Manager
Harbin Rainbow Technology Co., Ltd. Ningbo Branch
Mobile/WhatsApp/Wechat: +86 15678396701
Phone: 86-451-51066797 More
China Good quality Galvanized line Deep metal surface treatment pickling bath with automatic machine manufacturer

Good quality Galvanized line Deep metal surface treatment pickling bath with automatic machine

Bunny Zhang / Business Manager
Harbin Rainbow Technology Co., Ltd. Ningbo Branch
Mobile/WhatsApp/Wechat: +86 15678396701
Phone: 86-451-51066797 More
China Full automatic Industry  high quality Screw Nut Tapper   Nut Screw Making manufacturer

Full automatic Industry high quality Screw Nut Tapper Nut Screw Making

vProduct DescriptionWe're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker... More
China High precision multiple nut maker for sale cold Forging Machine  cold forming machine manufacturer

High precision multiple nut maker for sale cold Forging Machine cold forming machine

24 可添加模块Product DescriptionWe're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such a... More
China Guarantee quality  Full Automatic  customized thread rolling machine thread roller manufacturer

Guarantee quality Full Automatic customized thread rolling machine thread roller

Product parameters More
China Automatic Acid Fasteners Barrel Zinc Plating Line Chrome Paint Electroplating Machine manufacturer

Automatic Acid Fasteners Barrel Zinc Plating Line Chrome Paint Electroplating 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 Speed 400 cps per minute Screw Threading Machine Good Price Thread Rolling Machines manufacturer

High Speed 400 cps per minute Screw Threading Machine Good Price Thread Rolling Machines

Various types of thread rolling machine to meet your various needs. More
China high precision deep drawing self drilling screw threading machine good price thread rolling machines manufacturer

high precision deep drawing self drilling screw threading machine good price thread rolling machines

Various types of thread rolling machine to meet your various needs. More
China China factory fully automatic M4-M5 nut making machine manufacturer

China factory fully automatic M4-M5 nut making machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. More
China good price metal & metallurgy machinery nut making machine manufacturer

good price metal & metallurgy machinery nut making machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China 6 stations nut maker high quality nut forging machine manufacturer

6 stations nut maker high quality nut forging machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Multi stations nut former good price cold forging air hammer nut making machine manufacturer

Multi stations nut former good price cold forging air hammer nut making machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Zhejiang Province Tempering furnace High temperature mesh belt furnace manufacturer

Zhejiang Province Tempering furnace High temperature mesh belt furnace

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 Harbin Rainbow Technology Mesh Belt Furnace Integrated Quenching Furnace With Tank manufacturer

Harbin Rainbow Technology Mesh Belt Furnace Integrated Quenching Furnace 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 High speed heating furnace 1000 kg per hour mesh belt furnace with Transport tape in India manufacturer

High speed heating furnace 1000 kg per hour mesh belt furnace with Transport tape in India

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 price nylon and metal nut washer assembly machine manufacturer

Good price nylon and metal nut washer assembly machine

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,... More
China Factory directly sale assembly machine for nylon nut washer manufacturer

Factory directly sale assembly machine for nylon nut washer

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,... More
China High speed nut washer crimping machine manufacturer

High speed nut washer crimping machine

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,... More
China Fully Electric thread roller customized thread rolling machine manufacturer

Fully Electric thread roller customized thread rolling machine

China Easy use Design  Heat treatment furnace wholesale continuous quenching furnace fasteners heat treatment line manufacturer

Easy use Design Heat treatment furnace wholesale continuous quenching furnace fasteners heat treatment line

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world,
With our reputation increasing and our team becoming more professional, we
have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term
cooperation with us.
We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home a More