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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
News

The differences between spring washers and plain washers

It consists of a thin plate in the shape of the donut of metal with an opening in the middle, and the washing machines are used to distribute a tusk.A...

What's washer?

Washers: flat circular shape of a class of fasteners. Placed on the bolt, screw or nut support surface and connection between the surface of the parts...

HAPPY NEW YEAR 2017!

MAY ALL COOPERATED FACTORIES AND CUSTOMERS HAVE A PROSPECTED YEAR!

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...

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...

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...

Burr fastener processing knowledge

What is a fastener glitch? Glitch refers to the fastener surface of the fastener very fine microscopic metal particles that glitch was that we become....

Locking threaded fasteners are three basic methods of connection

The basic method of locking threaded fasteners are divided into three basic types: a. Non-detachable locking This is a use weld, bonding, or red spots...

165S part former arrives at Mumbai port

one set of 165S part former has just arrived at Mumbai, India port.

The difference between cold forging and hot forging

Cold forging is carried out at room temperature, and hot forging is carried out at high temperature. Cold forging works hard when forming, and hot for...

FAQs

1. 5. Q: Do you offer after-sale service?
A: yes, we offer full and good service for all our clients. We will always be there for you, if you have any questions.
2. 4. Q: How about the shipping?
A: ocean shipping, air transportation.
3. 3. Q: What about your price?
A:The price based on your details request, like your product size, machine model, order quantity, and so on.
4. 2. Q: Why should we choose you?
A: We choose the best supplier out of hundreds of similar factories, which assures that our product is of the best quality. B: We have more than 20 years experience in this area. C: We can provide all machines to equip an entire bolt/nut production line. D: Fully support in buyer workmen training. E: Fully support in after-sales service.
5. 1. Q: Are you factory or trading company?
A:We are the biggest dealer of machines related to fastener area, and we are the agent of China biggest bolt former manufacturer, heat-treatment furnace, and so on.