- Trusted Seller

Best quality automatic Conveyor machine for bolt and nut fasteners
- Manufacturer: Rainbow
The main role of the conveyor is to rely on its belt to transport the workpiece to the next process is to have a motor to provide power through the frequency converter or speed ratio control to adjust the require...
Harbin, China - Trusted Seller

2025 Automatic Zinc Plating Line Galvanizing Production Line Galvanizing Line
- Manufacturer: Rainbow
Automatic 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...
Harbin, China - Trusted Seller

Gas Controlled Heat Treatment Furnace RB-500
- Manufacturer: Rainbow
Mainly applied in spheroidizing annealing for wire coil of low-carbon steel, alloy steel, and bearing steel. It meets the deep processing requirement of the mechanical properties of steel after heatment.It acquir...
Harbin, China - Trusted Seller

High Capacity Electroplating Production Line Galvanizing line for parts
- Manufacturer: Rainbow
The main configuration1, PLC machine adopts Japanese Mitsubishi Electric Corporation products;2, inverter by Japan's Mitsubishi Electric Corporation products;3, touch screen with Kunlun-state electrical company's...
Harbin, China - Trusted Seller

Continuous quenching furnace RB-300
- Manufacturer: Rainbow
Mid/high carbon steel capacity(kg/hr): 352-385 | Mid/high carbon steel capacity(t/month): 220-242 | Low carbon steel capacity/hour(kg/hr): 204-240 | Low carbon steel capacity/hour(t/month): 127-150 | Total power...
Harbin, China - Trusted Seller

Electric Annealing Furnace RB-400
- Manufacturer: Rainbow
Widely used for the mechanical parts of automobile fittings,chains,bearings and tools etc.To realize the continuous heat-treatment operations of automatic loading,carburizing,quenching,rinsing,tempering,dyeing an...
Harbin, China - Trusted Seller

Electric Controlled Heat Treatment Furnace RB-150
- Manufacturer: Rainbow
1,furnace insulation materials imported from Japan: insulation bricks B5, anti-carburizing brick LBK-23, paste imported from Japan P-150; 2, electrical parts: Adopts Schneider inverter, relays, contactors; PLC pr...
Harbin, China - Trusted Seller

Industrial Hardening Induction Heating Quenching Annealing Mesh Belt Furnace Line
- Manufacturer: Rainbow
1.Magnetic Feeding device 2.Pre-Washing tank 3.Hardening furnace 800*10000*100 4.Quenching tank with lifting 5.De-oiling device 6.Post-washing tank 7.Tempering furnace 1000*10000*200 8.Electric cabinet( wi...
Harbin, China - Trusted Seller

Spare Parts Metal Part Heat Treatment Line Customized Mesh Belt Furnace
- Manufacturer: Rainbow
1,furnace insulation materials imported from Japan: insulation bricks B5, anti-carburizing brick LBK-23, paste imported from Japan P-150; 2, electrical parts: Adopts Schneider inverter, relays, contactors; PLC pr...
Harbin, China - Trusted Seller
Customized Durable Tapper Nut Tapping Machine
- Manufacturer: Rainbow
Model LDH-M8-2 SIZE M5 NO.OF SPINDLE 2 MAIN MOTOR 0.75-4KW MOTOR OF MATERIAL MIXING 0.55KW OIL PUMP 0.125KW AIR PRESSURE 2-3(KG/CM) DIMENSION 1100*1100*1800...
Heilongjiang, China - Trusted Seller
High Efficiency 1 Die 2 Blow Cold Heading Machine
- Manufacturer: Rainbow
Product Description Product Parameters Place of Origin Zhejiang China Machine Type cold heading machine Video outgoing-inspection Provided Machinery Test Report Provided Marketing Type...
Heilongjiang, China - Trusted Seller
Rsh10-300 2023 New Type Bolts and Nuts Making Machine Cold Heading Machine
- Manufacturer: Rainbow
Place of Origin Zhejiang China Machine Type cold heading machine Video outgoing-inspection Provided Machinery Test Report Provided Marketing Type New Product 2023 Warranty of co...
Heilongjiang, China - Trusted Seller
Rsh Series Cold Heading Machine Customized Cold Header
- Manufacturer: Rainbow
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 Mach...
Heilongjiang, China - Trusted Seller

Rainbow Manufacture Price Spring Washer Production Line
- Manufacturer: Rainbow
COMPANY PROFILE 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, Thr...
Zhejiang, China - Trusted Seller
Full Automatic Electric Equipment Threading Rolling Machine
- Manufacturer: Rainbow
PROMISE AND SERVICE We promise to serve our valuable customers qualified machines with reliable and durable performance,also quick, satisfied trouble shooting and aftersale service. Our machines warranty policy a...
Heilongjiang, China

