Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
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.

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,...

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,...

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,...

Harbin Rainbow Technology Co., Ltd. is one of the largest fastener equipment dealers and manufacturers in China. We have invested in a cold forging factory (Ningbo), a thread rolling machine factory (Ningbo), a heat treatment furnace factory (Suqian), and an electroplating equipment factory (Wuxi).

We have over 30 years of experience in Supply various fastener equipment, such as bolt machine, nut machine, Cold heading machine, thread rolling machine, wire drawing machine, hot Processing furnaces and galvanizing lines, etc. to customers around the world, As our reputation continues to grow and our team becomes more professional, we The business has grown significantly in recent years.

Today, more and more well-known companies are competing in the long term cooperate with us. We adhere to the following principles Honesty, credibility and mutual benefit. Our motto is "Once a business, forever a friend" and we will do our best to serve our customers Domestic and foreign. Due to our top expertise and extensive trade Experience allows us to see our market development capabilities and actual business The growth rate is getting faster and faster. We sincerely look forward to cooperation with you. Let us create a better future together!

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 and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

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 and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

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 Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc. We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business.

We're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading...

Spring Washer Machine Full Production Line:
1. Belt Wire Drawing Machine
2. Coil Machine
3. Coil Collection Machine
4. Cutting Machine

Machine function: 1. These cold title machines are fully automatic and easy to operate. There are almost no training, and they are equipped with solid...

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

CY12Z Thread Rolling Machine 

Model CY12Z
Diameter range (mm) 8-12
Screw length (mm) 150/200/300
Max. Thread Length (mm) 100
Travel mold size (mm) 190/215/35
Main motor (KW) 15
Output (pieces/minute) 65-85
Approximate weight (kg) 5600
Machine size (L*W*H)(mm) 3265×1524×2345

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different needs

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!
Whatsapp---+86 15056856057