Pintu Industri coil Baja Panjang Khusus yang dapat disetel dari Musim Semi yang digunakan

• Fungsi: Mengemudi, Pemulihan
• material: baja karbon tinggi, Steel
• Penggunaan: Industri, Furniture, Peralatan rumah tangga, pintu garasi/pintu masuk industri/pintu rana roller
• Tipe Beban: Torsi
• Proses produksi: Rol dingin
• Bentuk: coil
• Tidak. Model.: QYS055
• fungsi: mengemudi
• penggunaan: peralatan rumah tangga, industri
• tipe muatan: torsi
• proses produksi: roll panas
• bentuk: coil
• Paket Transportasi: Standard Packing, Pallet
• Spesifikasi: 72B, 82B, 60Si2MnA
• Merek Dagang: QY
• Asal: Hefei Anhui China
• Kode HS: 7320909000
• Kapasitas Produksi: 5000pairs/Week

Deskripsi Produk

We are professional manufacturer of Garage door spring and Industiral door hardwares,including spring cone,cable drum,hinges,brackets,industrial bearing,tracks etc.

Name	Custom spring Adjustable Long Steel Coil Spring Industrial Doors Used
Wire Diameter	1 3/4" ,2" , 25/8" , 3 3/4" , 5 1 /4" , 6"
Material	72B ,82B , 60Si2MnA
Customizable	Can made by your drawings, sample and dimension
Surface Treatment	White 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

How to make Torsion Spring as per your enquiries?
Pls provide me main specification as follows
•Wire diameter 
•Material
•Body length
•Maximum outside diameter, minimum inside diameter
•Number of coils
 Or detailed drawing or real samples is very useful

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: What is your warranty?
A: One year after sale service.