Heavy-Duty Progressive Coil Springs for Industrial Engineering Projects

• Customization: Available
• Function: Pressed, Buffer, Drive, Restoration, Measurement
• Material: Steel
• Model NO.: Springs-4
• Load Type: Compression
• Production Process: Hot Roll
• Shape: Spiral
• Materials1: Copper Coil Spring
• Materials2: Iron Coil Spring
• Materials3: Brass Spring in Coi
• Application: Coil Spring Toyota
• Model Number1: Small Coil Springs
• Model Number2: Super Alloy Springs
• Transport Package: Wood or Other Packaging After Forced Treatment
• Trademark: XINYONGXIN
• Origin: China
• HS Code: 3926901000
• Production Capacity: 50000/Year

Product Description

Product Parameters

 

Specification	Wire diameters from 0.2mm
Spring type	Compression spring, Extension spring, Metal Flat Springs ,etc.
Material	Titanium, stainless steel,Carbon steel, Cr5, Iron, Nickel plated carbon line, Nickel plated steel wire harp, Flat wire, Square wire, SUS304/316/302 etc
Finishing	plating , spraying , electrophoresis , anodizing , painting , the heat disposing , black oxide coating, rust preventive oil , etc
Advantage	High quality, competitive prices, first-class fully automatic production equipment , safe package and prompt delivery
Application	Washing machine equipment, engineering equipment, shock absorption equipment, road and bridge construction engineering,agricultural machinery and equipment
Lead time	15 days
Payment term	T/T, L/C,D/A,D/P,Paypal
Packaging	Inner plastic bag, outer carton box, and advised by customer,Wooden box
Certification	ISO9001:2015

Hot selling product

 

Customized Service
Support OEM/ODM

Qingdao Xinyongxin Machinery Co., Ltd. has been a pioneering force in the machinery manufacturing sector for over two decades. We specialize in investment casting, silica sol casting, sand casting, metal forging, stamping, and CNC machining. Our expertise spans multiple industries, including machinery, agriculture, transportation, mining, and general industry. Proudly exporting to destinations such as Australia, the United States, and Canada, we bring unparalleled quality to global markets.
Certified under the prestigious ISO 9001 quality management system, we adhere strictly to our industrial philosophy: 'only quality, casting brilliance.' This commitment ensures that we deliver the highest quality products and services to our valued customers.
With state-of-the-art CNC precision machining centers, CNC lathes, plasma cutting machines, and metal painting equipment, we ensure exceptional precision and quality. Our R&D and testing labs are equipped with advanced tools for tensile, impact, metallographic, and material inspections, guaranteeing superior product performance.
We wholeheartedly welcome OEM and ODM orders. Feel free to email us to discuss potential cooperation. Thank you!

 

Production workshop

Quality Inspection
At Qingdao Xinyongxin Machinery Co., Ltd., we offer comprehensive inspection services, including process, random, and pre-delivery inspections. Our thorough checks cover materials, machinery, internal defects, dimensions, pressure, load, balance, surface treatment, visual inspection, and testing. Weekly project tracking reports provide detailed pictures, videos, and complete quality inspection documents.
*Our specialized QC testers ensure product quality meets diverse customer requirements. While we typically conduct random inspections, we can also provide 100% inspection at a reasonable price if needed.
*Our IQC team meticulously inspects the dimensions and surface quality of incoming materials.
*Our PQC team rigorously monitors the entire manufacturing process to guarantee excellence.
*Our FQC team conducts thorough inspections of all anodized/plated finishes from suppliers, ensuring professional quality and appearance before shipping.

During sample development, we design the most secure and suitable packaging for each part. This process considers the part's intricate structure, the quantity per lot, and specific customer requirements to ensure optimal protection and delivery.

1. Are you a trading company or a manufacturer?

A: XINYONGXIN is a specialized manufacturer focused on export trade.

2. What is the scale of your factory?

A: Our factory spans 10,000 square meters and includes cutting, bending, stamping, welding, casting, and machining. We proudly employ a dedicated team of 100 professionals.

3. Is OEM acceptable?

A: OEM is our specialty, supported by our comprehensive production lines covering various manufacturing processes. Our ultimate goal is to elevate XINYONGXIN manufacturing to a global benchmark.

4. What is your MOQ?

A: We are eager to develop promising products for our clients, even for the smallest orders. Please provide detailed product information and feel free to contact us for assistance.

5. Do you provide samples? Are they free or charged?

A: XINYONGXIN is dedicated to producing samples until our clients are fully satisfied. Typically, samples are provided free of charge, although a mold fee may be required depending on the product.