How do you ensure product quality?

We conduct 100% inspection (visual and function) and have a strict inspection system from material to shipping.

What surface treatments are available?

Options include zinc, chrome, nickel, silver, gold, tin, powder coating, oxide black, or customized processing.

What are the payment terms?

The terms of payment are T/T (Telegraphic Transfer).

Customized Compression, Tower, Torsion, Extension and Irregular Springs

Name: Customized Compression, Tower, Torsion, Extension and Irregular Springs
Brand: Qingdao Jieshengda Machinery Co., Ltd.
SKU: 2018393292

Shandong, ChinaQingdao Jieshengda Machinery Co., Ltd.

US$1.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Phonation, Buffer, Drive, Restoration, Measurement

Material

Alloy

Usage

Industrial, Auto, Furniture, Motorcycle, Home Appliance

Load Type

Compression

Production Process

Cold Roll

Surface Treatment1 1

Podwer Coating

Surface Treatment 2

Plating

Maximum Machining Size

Wire Diameter 50mm

Material1

Stainless Steel

Material2

Iron

Transport Package

According to Customer Needs

Specification

According to customer requirements

Trademark

JSD

Origin

China

Key features

Wide Material Selection: Carbon steel, alloy steel, stainless steel, music wire, brass, and more.

Full Customization Support: OEM/ODM services available with customization from samples, designs, or full custom specs.

100% Quality Inspection: Strict visual and function inspection ensures 100% qualified products before shipment.

Low MOQ Available: Supports small quantity orders with a minimum order quantity of just 1 piece.

Extensive Wire Diameter Range: Compression springs up to 50mm, stretch springs up to 20mm, torsion springs up to 10mm.

Diverse Surface Treatment: Options include zinc, chrome, nickel, gold, tin, powder coating, oxide black, or customized.

20+ Years Experience: Over two decades of production experience ensuring confidence in complex part manufacturing.

Versatile Applications: Suitable for industrial, auto, motorcycle, agricultural machinery, electronics, and home appliances.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language Pioneer

Qingdao Jieshengda Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤11.15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company focused on metal heat treatment, automatic spraying, mechanical and electrical equipment, machine tools, components, and related products. It reports quality assurance, raw-material traceability, documented complaint handling, and written supplier-service procedures. Stock service capability is available, with stated average lead times of one month in both peak and off-season periods. However, no SDK is available, and the supplier has no overseas warehouse, showroom, agents, branches, or reported offline trade-show participation. A valid manufacturing-capacity contract with related subcontractors is not in place. Financial records are referenced by year, but no substantive financial performance information is provided. Customer cases and certifications are not evidenced.

Supplier typeThe supplier is classified as a combined company and presents itself as a metal heat treatment manufacturer with automatic spraying and surface-treatment capability. Its stated business scope also covers machine tools, mechanical equipment, components, metal, plastic, rubber, and related products, indicating a manufacturing and trading-oriented profile.

After-Sales capabilityThe supplier has a documented customer-complaint procedure with records, corrective and preventive-action procedures, one-month stated lead times, and in-stock service capability. However, it has no overseas agents, branches, warehouses, or showrooms, which limits evidenced overseas after-sales infrastructure.

R&D capabilityThe supplier explicitly reports that no SDK is available, indicating a deficiency for SDK-based development or integration. Although it describes automatic spraying and multiple heat-treatment processes, the slices do not provide evidence of broader R&D outputs, patents, or product innovation.

Production capacityThe supplier describes metal heat-treatment manufacturing and a fully automatic spraying production line, and reports in-stock service capability with one-month average lead times in both peak and off-season periods. However, the absence of a valid capacity contract with related subcontractors is a documented capacity-management weakness.