PRODUCTS
We are supplying high quality and reliable machines for the entire fastener industry with our professional and timely after sale service,our main products include wire drawing machine,Bolt Maker, Nut Maker, Part Former, Heading Machine, Thread Rolling Machine and Mesh Belt Furnace.
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Best Bolt making machine FactoryPrice-Rainbow

Best Bolt making machine FactoryPrice-Rainbow

Automatic 4 station bolt part former is a specialized machine with high precision,high productivity and more automation among metal forging machinery.Rainbow Best Bolt making machine FactoryPrice-Rainbow,Professional thread rolling machine factory
Best Heat treatment furnace Supplier-Rainbow

Best Heat treatment furnace Supplier-Rainbow

Our Heat treatment furnace is widely uesd in carburizing,hardening, Carbo-Nitriding and Atmosphere,heat treatment for various components of Small and Medium-sized metal .It is operated by automation.Operates simply, easy maintenance,Superb energy-saving , Atmosphere automatic control, the main component all asopts to import the famous brand product, functions dependable.Best Heat treatment furnace Supplier-Rainbow
Best Quality Nut making machine Factory-Rainbow

Best Quality Nut making machine Factory-Rainbow

Nut making machineis a special cold forging equipment for producing hex nuts. It adopts the cold forging method to feed the material through the roller wheel, and then the feeding, cutting, pressing ball, pressing Angle, punching and other processes are completed in one machine. It automatically upsets all kinds of hex nuts and non-standard parts.Rainbow Best Quality Nut making machine Factory.
China Zinc Plating Line manufacturers-Rainbow

China Zinc Plating Line manufacturers-Rainbow

China Zinc Plating Line manufacturers-RainbowAutomatic electroplating production line runs fast and stably with high output and stable quality.In the operation of various electroplating processes, there is hardly any manual operation,but all electroplating processes are completed automatically by mechanical and electrical devices, which can greatly improve labor productivity, stabilize product quality and reduce workers' labor intensity.
SERVICE
Have received highly praises from a lot of customers.
With our business reputation and professionalism, our company has experienced a significant growth in business during the recent years and we invested in some fastener equipment manufacturers and built our own bolt maker, mesh belt furnace and zinc plating line factories.We do these factories’ foreign market developing and have received highly praises from a lot of customers.
PRODUCTS
With our business reputation and professionalism, our company has experienced a significant growth in business during the recent years and we invested in some fastener equipment manufacturers and built our own bolt maker, mesh belt furnace and zinc plating line factories.We do these factories’ foreign market developing and have received highly praises from a lot of customers.
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HighQuality Anchor bolt assembling machine Wholesale- Rainbow

HighQuality Anchor bolt assembling machine Wholesale- Rainbow

we can supply high quality automatic anchor bolt assembling machine,  Anchor bolt assembling machine can be a good substitute for manual assembly, saving time and effort.  Anchor bolt assembling machine has counting function, output preset function, short of material reminder function, fault alarm function, and can display the short of material (fault) position for easy elimination.Rainbow HighQuality Anchor bolt assembling machine Wholesale-Harbin Rainbow Technology Co.,Ltd,Advanced unique technology
Best Quality Thread rolling machine Factory-Rainbow

Best Quality Thread rolling machine Factory-Rainbow

Thread rolling machine is widely praised for its rational price,easy maintenance and high quality.besides axial and radial process it is used to process regular and irregular bolt,through screw etc.with optional embossing roller.Best Quality Thread rolling machine Factory-Rainbow
Professional Hot forging machine manufacturer-Rainbow

Professional Hot forging machine manufacturer-Rainbow

Hot forging machine is mainly used for hot forging of small and medium-sized parts, and also for forging of connecting rod, gear, bearing ring and other parts.The machine is equipped with special upper and lower discharge devices to meet the requirements of forging process.Steel welded structure, and tempering treatment, strong rigidity, no deformation.Steel helical gear rotation, stable work, low noise, not easy to damage teeth.Imported hydraulic overload protection device, safe and reliable to use, once the boring car can be unscrewed by unlocking the plug on the unloading valve to release the oil in the cylinder can be lifted, time-saving and convenient.Professional Hot forging machine manufacturer-Rainbow
Best price Nut tapping machine-Rainbow

Best price Nut tapping machine-Rainbow

We can supply high quality automatic nut tapping machine for flange and hex nut making.we have 2 spindle and 4 spindle with best price.It's a good choice for nut making,the machine is realible and easy maintenance.
ABOUT US

Harbin Rainbow Technology Co.,Ltd

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipment 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.

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