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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(...

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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
China free design PLC control electroplating production line automatic zinc and nickel plating equipment manufacturer

free design PLC control electroplating production line automatic zinc and nickel plating equipment

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!
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China good price hpt sale metal forging machinery cold header screw making equipment manufacturer

good price hpt sale metal forging machinery cold header screw making equipment

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

Factory 1 die 2 blow air hammer cold forging screw making machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines cold heading machine price More
China China wholesale Continuous  Heat Treatment Furnace  Hardening Machine Industrial Gas Oven manufacturer

China wholesale Continuous Heat Treatment Furnace Hardening Machine Industrial Gas Oven

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China Automatic product  Metal  Bolt Threading Making  Thread Rolling Machine manufacturer

Automatic product Metal Bolt Threading Making Thread Rolling Machine

Products DescriptionTitle goes here.Advantages of our products: stable,high speed, high accuracy,high efficiency, and we offer after sales service, vi... More
China Best price  High Speed Nut Maker Automatic   Nut Tapping Machine Nut threading machine manufacturer

Best price High Speed Nut Maker Automatic Nut Tapping Machine Nut threading machine

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China Reliable quality cold heading machine Heavy inquiry screw making machine prices for anchor manufacturer

Reliable quality cold heading machine Heavy inquiry screw making machine prices for anchor

Heading Machine                     Model            RSH4-40               Max. Blank Diameter (mm)            4 More
China 2 Die 4 Blew screw machine hot sales nuts and bolts making machines with dies manufacturer

2 Die 4 Blew screw machine hot sales nuts and bolts making machines with dies

Heading Machine                     Model            RSH4-40               Max. Blank Diameter (mm)            4 More
China Factory price direct sales screw making machine hot popular screw machine for dies manufacturer

Factory price direct sales screw making machine hot popular screw machine for dies

Heading Machine                     Model            RSH4-40               Max. Blank Diameter (mm)            4 More
China China high temperature electric trolley furnace for annealing of alumunum parts manufacturer

China high temperature electric trolley furnace for annealing of alumunum 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 China factory fasteners making machine good price screw heading machine manufacturer

China factory fasteners making machine good price screw heading machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines cold heading machine price More
China Advanced drywall forming machine cold heading machine price manufacturer

Advanced drywall forming machine cold heading machine price

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines More
China High speed cold forging machines for the processing of bolts and nuts manufacturer

High speed cold forging machines for the processing of bolts and nuts

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China High temperature chamber type furnace for annealing of aluminum wire manufacturer

High temperature chamber type furnace for annealing of aluminum 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 Chinese trolley type annealing furnace for heat treatment of steel parts manufacturer

Chinese trolley type annealing furnace for heat treatment of 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 High temperature industrial electric furnace for heat treatment of wire manufacturer

High temperature industrial electric 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 High productivity Best Price Drilling Machine  4 Spindles Borehole  Threading Machine Nut Tapping Machine manufacturer

High productivity Best Price Drilling Machine 4 Spindles Borehole Threading Machine Nut Tapping Machine

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China Multi stations speed coil machine   belt wire drawing machine high speed spring washer making machine manufacturer

Multi stations speed coil machine belt wire drawing machine high speed spring washer making machine

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China Best price manufacturing Continuous  Industrial  Furnaces and Ovens  Heat Treatment Furnace manufacturer

Best price manufacturing Continuous Industrial Furnaces and Ovens Heat Treatment Furnace

China Strong practicality   Hardening Machine Industrial Gas Oven Continuous   Heat Treatment Furnace manufacturer

Strong practicality Hardening Machine Industrial Gas Oven Continuous Heat Treatment Furnace