
Heavy Duty Big Springs Bosswinn Garage Door Springs Big Long Torsion Springs
Zhuji Bosswinn Springs Co., Ltd.- Function:Pressed
- Material:Steel
- Usage:Industrial, Auto, Furniture, Motorcycle
- Load Type:Compression
- Production Process:Cold Roll
- Shape:Cylinder
Base Info
- Transport Package:Carton Pallet
- Specification:100 x110x120
- Trademark:Bosswinn
- Origin:China
- Production Capacity:2000000
Description
raw materials we
process on
stainless steel,Music wire Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc.
material diameter or thickness
0.1~8mm
workcraft or process
CNC processing, mannual work
surface treatment
painting, electroplating, polishing , blacken etc
Applications
Industrial facilities.automobiles, Motorcycles, electronics, Sports facilities, telecommunications products etc
Quality Certification
ISO9001-2000,ISO14000
Payment term
T/T,L/C
Packing
plastic bags,and then cartons , wooden or plastic
Shipment
By sea from Ningbo or shanghai, by air from Shanghai or Hangzhou

Our testing faciltis.
We strictly control our springs quality . We do not only promise in oral, let the facilities speak.

Our packing and delivery


The applications of the torsion springs
- A torsion bar can be used on a vehicle ,absorbs road bumps , cushioning passenger travel. Torsion bar suspensions are used in many modern cars and trucks..
- In many vehicle suspension systems torsion springs are used.
- Can be used in the torsion pendulum.
- They had been used in ancient weapons or some modern toys.
- The balance springs or hair springs are used in mechanical watches
- Torsion balance springs are used in mechanical pointer-type meters
- Tiny torsion springs can be used in electric , like DMD or digital micromirror device chips.
The Industries that Use Torsion Springs
Major original equipment manufacturers (OEMs) that produce products for various industries use compression springs in many of their products.
- Industrial production lines
- Transportation vechiles
- Construction facilities
- Materials handling
- Agriculture machines
- Petrochemical
- Aeronautical
FAQ1.Is Bosswinn a manufacturer ?
A: We are a manufacturer, the business owner has 2 factories producing springs, machining part, stamping parts
2. When is the delivery time?
A: 10 and 15 days , one month in the peak seasons
3. What is the MOQ?
For the initial order , any quantity ok. For the mass production order, 10000 pcs better.
4. What's your payment method?
: T/T, L/C, Western Unions,
e. How can we confirm the samples?
Free samples are offered,