What is Old House Attic Ladder Extension Spring

Name: Old House Attic Ladder Extension Spring
Uploaded: 2026-01-11T11:39:17+08:00
Description: Product Description old house attic ladder extension spring #1 ATTN: Read This Before Buying A. Due to the internet and computer display solutions. The actual products may differ from the pictures. P

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Price

Min. Order Reference FOB Price

10,000 Pieces US$0.20-1.00 / Piece

Sepcifications

Function Pressed, Buffer
Material Steel
Usage Industrial, Auto, Motorcycle, Home Appliance
Load Type Extension
Production Process Cold Roll
Shape Coil
Transport Package Carton and Outer Wooden Case
Specification customized
Trademark DOFO
Origin Wenzhou, China
Product Name Attic Ladder Spring
Business Mode Factory OEM
Material Standard GB 4357-09 or Equivalent
Wire Range From Min 0.1mm(0.004inch) to Max 12mm(0.48inch)
Winding Direction Left and Right
End Type Different Hooks Available
Surface Treatment Electrophoresis
Coating Thickness 8~10 Micrometer
Testing Method Random Sample Inspection
Tolerance GB Standard, Grade II or as Per Your Requirement
Spring Rate Tolerance +-3%~10%
Aql Level Aql 1.0
Packing Method OPP Bags with Blank Carton
Normal Carton Size 23X23X31/Cm with No Mark
Certificate ISO9001, SGS, RoHS, CE, Ts16949

Product Description

Product Description old house attic ladder extension spring #1 ATTN: Read This Before Buying A. Due to the internet and computer display solutions. The actual products may differ from the pictures. Please contact our salesmen for further assistance. B. All the extension springs, compression ...

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Yueqing Dofo Spring Manufacturing Co., Ltd.

Diamond Member Since 2020

Audited Supplier

Business Type Manufacturer/Factory & Trading Company
Main Products Compression Spring, Extension Spring, Automotive Parts Spring, Torsion Spring, Stainless ...
Year of Establishment 1999-05-27
Number of Employees 97
Address No. 11 Jing Five Road, Yueqing Economic Development Area, Yueqing, Wenzhou, Zhejiang, China

Attic Ladder Spring Comparison

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Transaction Info
	Old House Attic Ladder Extension Spring Contact Now	Quick View Tension Springs Medical Facilitis Smart Devices Spring Contact Now	Quick View OEM Supplier of Premium Compression Torsion Tension Coil Spiral Cylinder Flat Clip Spring Contact Now	Quick View Hot Sale Car Lift Supports Rear Trunk Gas Springs for Nissan Pathfinder 2005-2013 Contact Now	Quick View Hot Sale Car Lift Supports Mercury Tailgate Gas Springs for Ford Mustang 1994-2004 Contact Now
Price	US$0.20-1.00 / Piece	US$3.00 / Piece	US$0.09-0.10 / Piece	US$0.50-2.00 / Piece	US$0.50-2.00 / Piece
Min Order	10,000 Pieces	10,000,000 Pieces	1 Piece	10 Pieces	10 Pieces
Payment Terms	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, Western Union, Small-amount payment, PayPal, D/P, T/T	LC, T/T	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Quality Control
Product Certification	ISO9001, SGS, RoHS, CE, Ts16949	-	-	ISO9001/Ts16949	ISO9001/Ts16949
Management System Certification	-	-	-	-	-
Trade Capacity
Export Markets	Southeast Asia/ Mideast, Australia	Europe	South America, Southeast Asia/ Mideast, Africa, Domestic	North America, South America, Europe, Southeast Asia/ Mideast, Africa	North America, South America, Europe, Southeast Asia/ Mideast, Africa
Annual Export Revenue	-	-	-	-	-
Business Model	ODM	Own Brand, ODM	ODM, OEM	ODM	ODM
Average Lead Time	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month
Product Attributes
Specification	Function: Pressed, Buffer; Material: Steel; Usage: Industrial, Auto, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Cold Roll; Shape: Coil; Product Name: Attic Ladder Spring; Business Mode: Factory OEM; Material Standard: GB 4357-09 or Equivalent; Wire Range: From Min 0.1mm(0.004inch) to Max 12mm(0.48inch); Winding Direction: Left and Right; End Type: Different Hooks Available; Surface Treatment: Electrophoresis; Coating Thickness: 8~10 Micrometer; Testing Method: Random Sample Inspection; Tolerance: GB Standard, Grade II or as Per Your Requirement; Spring Rate Tolerance: +-3%~10%; Aql Level: Aql 1.0; Packing Method: OPP Bags with Blank Carton; Normal Carton Size: 23X23X31/Cm with No Mark;	Function: Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle; Load Type: Compression; Production Process: Cold Roll; Shape: Cylinder;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Compression; Production Process: Cold Roll; Shape: Coil;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Compression; Production Process: Cold Roll; Shape: Cylinder; MOQ: 10 PCS; Quality Warranty: 1 Year; Shipping: by Sea, by Express, by Air; Connector: Ball Connector/Optional Connector; Extended Length: 50-2000mm; Min Force: 5n-4000n; Customized: Fully Custom Made Available; Surface Color: Black /Sliver/Grey/Others; Stroke: 10-900mm; Salt Spray Test: 78 Hours; Cylinder Tube Dia: 12-28mm; Locking Force: Customized;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Compression; Production Process: Cold Roll; Shape: Cylinder; MOQ: 10 PCS; Quality Warranty: 1 Year; Shipping: by Sea, by Express, by Air; Connector: Ball Connector/Optional Connector; Extended Length: 50-2000mm; Min Force: 5n-4000n; Customized: Fully Custom Made Available; Surface Color: Black /Sliver/Grey/Others; Stroke: 10-900mm; Salt Spray Test: 78 Hours; Cylinder Tube Dia: 12-28mm; Locking Force: Customized;
Supplier Name	Yueqing Dofo Spring Manufacturing Co., Ltd.	Zhuji Bosswinn Springs Co., Ltd.	Farview International Trade Co., Ltd. Beijing	Shanghai Spb Industry Co., Ltd.	Shanghai Spb Industry Co., Ltd.
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