Basic Info.
Product Description
| Name | Heavy Duty Vertical Lifting Garage Door Extension Spring& Torsion Springs /Coil Spring Manufacturer |
| Wire Diameter | 2.5mm-12mm |
| Material | 72B |
| Customizable | Can made by your drawings, sample and dimension |
| Surface Treatment | White zinc plating, Color zinc plating, Nickel plating, Chrome plated, Cataphoresis, Become black, Powder coating, Apply oil ,paint or as customers' request |
| Application | Luxury garage doors,factory lift doors,industrial door installation ,shutter doors in matching torsion and extension spring |
| Certification | ISO9001 |
| MOQ | Any small trial order is welcome |
| Deliver time | 7-15 workdays based on MOQ |
| Package | Standard Packaging, Wooden Carton Or as per customers' requirements |
| Payment term | 30%T/T deposit,70% before shipping |
FAQ:
Q: Are you a manufacturer ? Do you Accept OEM?
A: Yes, as a professional manufacturer, we have been in spring field for over 11 years and we accept OEM! Just give us your design, we will make samples for you soon.
Q: Can you do design for me?
A: Yes. We have a professional team having rich experience in spring design and manufacturing.Just tell us your door dimension(door width&height, door weight and lifting systerm), we can custom designed spring size and spring weight.
Q:What is your strengths?
A: Competitive price
High quality
Good communication with customers
Best after-sales service
Q:What is your packing?
A: a, Standard packing,PE bags, plywood cases, wooden carton, pallet.
b, Based on your requirements.
Q: How long is your delivery time?
A: Within 3-5 days after order confirmed. Of course, it depends on the actual quantity.
Q: What payment method do you accept?
A: we accept T/T, western union or paypal before production. Other payments are negotiable
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.
Q: What is your sea shiping port?
A: SHANGHAI port usually; any problems contact us ASAP.
Q: Whatis your warranty?
A: One year after sale service.