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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 : Fully automatic

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
China Highly Advanced Automatic for sale nut maker cold forming machine cold Forging Machine manufacturer

Highly Advanced Automatic for sale nut maker cold forming machine cold Forging 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 Factory price metal forging machinery self tapping screws cold forging machine manufacturer

Factory price metal forging machinery self tapping screws cold forging machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China Rainbow new product blacksmith hydraulic forging press high speed screw making machine manufacturer

Rainbow new product blacksmith hydraulic forging press high speed screw making machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China professional screw making machines good price cold heading machine manufacturer

professional screw making machines good price cold heading machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China Rainbow high temperature vacuum trolley furnace manufacturer

Rainbow high temperature vacuum trolley furnace

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s... More
China Factory made chamfer furnace for heat treatment of wire manufacturer

Factory made chamfer furnace for heat treatment of wire

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s... More
China 1200 degree trolley type annealing furnace for steel parts manufacturer

1200 degree trolley type annealing furnace for steel parts

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s... More
China RBF 64S  cold heading machine Latest production bolt former machine for anchor manufacturer

RBF 64S cold heading machine Latest production bolt former machine for anchor

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Bulk stock cold heading machine Latest production bolt former machine for anchor in India manufacturer

Bulk stock cold heading machine Latest production bolt former machine for anchor in India

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Year-end clearance m8 bolt diameter bolt making machine cold forging machine manufacturer

Year-end clearance m8 bolt diameter bolt making machine cold forging machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China Flexible and Automatic  Heat treatment furnace wholesale continuous quenching furnace fasteners heat treatment line manufacturer

Flexible and Automatic Heat treatment furnace wholesale continuous quenching furnace fasteners heat treatment line

Product Description More
China Advanced power high   customized Screw Machine  Thread Rolling Machine price flat die thread rolling machine manufacturer

Advanced power high customized Screw Machine Thread Rolling Machine price flat die thread rolling machine

Products Description model CY05Z diameter ... More
China Advanced power high Nut Screw Making high quality Screw Nut Tapper Tapping machine manufacturer

Advanced power high Nut Screw Making high quality Screw Nut Tapper Tapping machine

Product DescriptionWe're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker,... More
China Hot sale Spring Making machine Small Size Washer Making Machine manufacturer

Hot sale Spring Making machine Small Size Washer Making Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Special Design M3-M5 Spring Making machine Small Size Washer Making Machine manufacturer

Special Design M3-M5 Spring Making machine Small Size Washer Making 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 Manufacture Screw Thread Rolling Machine manufacturer

Rainbow Manufacture 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
China Special-shaped spring washer machine serpentine spring making machine with Pay-off stand manufacturer

Special-shaped spring washer machine serpentine spring making machine with Pay-off stand

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers. More
China Nylon locknut washer crimping machine high speed promotion manufacturer

Nylon locknut washer crimping machine high speed promotion

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 Rainbow high speed nylon nut crimping machine on sale manufacturer

Rainbow high speed nylon nut crimping machine on sale

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 Hot sale nylon lock nut washer assembly machine manufacturer

Hot sale nylon lock 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 Powerful factory heat treatment furnace wholesale annealing oven manufacturer

Powerful factory heat treatment furnace wholesale annealing oven

Product Description Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold f... More
China Guarantee quality  customized Screw Machine  Thread Rolling Machine price manufacturer

Guarantee quality customized Screw Machine Thread Rolling Machine price

Products Description model CY05Z diameter ... More
China China wholesale Nut Screw Making high quality Screw Nut Tapper manufacturer

China wholesale Nut Screw Making high quality Screw Nut Tapper

Product DescriptionWe're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker,... More