- Trusted Seller

2022 Rainbow Technology Heat Treatment Continuous Mesh Belt Furnace Line for Screw
- Manufacturer: Rainbow
Features of mesh belt furnace line: Less Energy Consumption, Bigger Production; More Energy Saving; Longer Equipment Service Life. Use the Application: Widely used for the mechnical parts of automobile fitting...
Harbin, China - Trusted Seller
Rainbow Automatic Spring Washer Coil machine High Speed Cutting Machine
- Manufacturer: arco iris
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 Making Machine High Speed Coil Machine
- Manufacturer: arco iris
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 Spring Washer Cutting Machine High Productivity Spring Washer Machine
- 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 High Speed Cold Heading Machine Hot Sale Screw Making Machine
- Manufacturer: Rainbow
Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank for Bolts, Screws, Rivets and other similar components. Cut of...
Heilongjiang, China - Trusted Seller
Rainbow High Productivity Screw Cold Heading Machine Automatic Cold Header
- Manufacturer: Rainbow
Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank for Bolts, Screws, Rivets and other similar components. Cut of...
Heilongjiang, China - Trusted Seller
Rainbow Auotmatic Screw Making Machine High Speed Cold Heading Machine
- Manufacturer: Rainbow
Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank for Bolts, Screws, Rivets and other similar components. Cut of...
Heilongjiang, China - Trusted Seller
Rainbow Cold Heading Machine Automatic Cold Header Screw Making Machine
- Manufacturer: Rainbow
Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank for Bolts, Screws, Rivets and other similar components. Cut of...
Heilongjiang, China - Trusted Seller
Rainbow Heavy-Duty 4-Station Bolt Cold Forging Machine OEM Available
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
Rainbow Manufacture Bolt Making Machine Automatic Screw Cold Forging Machine
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
Rainbow Manufacture Price Screw Threading Machine Full Automatic Threa Rolling Machine
- Manufacturer: Rainbow
thread rolling machine products: srews and bolts...... rational price,easy maintenance high quality axial and radial process process regular and irregular thread rolling machine this model is widely praised for i...
Heilongjiang, China - Trusted Seller

Energy saving quenching furnace Harbin Rainbow Technology Co.,Ltd RB750
- 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
Rainbow 5 Station Bolt Making Machine High Speed Screw Maker
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
Rainbow 5 Station Cold Forging Machine High Speed Bolt Former
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
Rainbow Manufacture Price Cold Heading Machine High Speed Screw Making Machine
- Manufacturer: Rainbow
Machine Features: 1. These cold heading machines are fully automatic and easy to operate with little training, fitted with Solid Die to produce blank for Bolts, Screws, Rivets and other similar components. Cut of...
Heilongjiang, China

