What materials are used for the die springs?

Materials include Copper Alloy, Alloy, Alloy Steel, Music Steel, Piano Steel, 65mn Spring Steel, 55crsiv, and 60si2mna.

What certifications do you have?

We hold ISO9001:2000/2015, CE, and RoHS certifications.

Hot Selling ISO JIS Coil Spring Rectangular Die Spring for Stamping Dies

Name: Hot Selling ISO JIS Coil Spring Rectangular Die Spring for Stamping Dies
Brand: Cungang Mold Fittings Co., Ltd.
SKU: 2148114765

Zhejiang, ChinaCungang Mold Fittings Co., Ltd.

US$2.00

10-49 Pieces

US$1.00

50-99 Pieces

US$0.30

100+ Pieces

Product profile

Customization

Available

Function

Pressed, Buffer

Material

Alloy, Alloy Steel;Music Steel;Piano Steel

Usage

Industrial, Auto, Furniture, Motorcycle, Home Appliance

Load Type

Compression

Production Process

Hot Roll

Shape

Cylinder

End Type

Close and Round

Length

25-500mm

Application

Ejection Mold, Machine, Car, E-Bike

Color

Yellow, Blue, Red, Green, Brown

Finish

Epoxy Coating

Size

Standard ISO9001:2000 / JIS / ISO10243 or Customiz

Certificate

ISO9001;CE;RoHS

Materia

65mn Spring Steel / 55crsiv / 60si2mna

Transport Package

Inner Plastic Bags, Outer Boxes or Wooden Box,

Specification

Standard parts and customizable

Trademark

cungang

Origin

Wenzhou

HS Code

7320909000

Production Capacity

50000pieces/Year

Key features

Customizable Dimensions: Length adjustable from 25-500mm to fit specific mold requirements.

Multi-Color Options: Available in Yellow, Blue, Red, Green, and Brown finishes.

High Life Span: Designed for durability and long-term performance in stamping dies.

OEM/ODM Service: Supports full customization from samples, designs, and flexible requirements.

Strict Quality Control: 100% inspection including visual and function tests before packing.

Fast Delivery: General delivery within 1-7 days after order confirmation.

Certified Manufacturer: ISO9001:2015 and CE certified with over 10 years export experience.

Company profile

Importers and ExportersCustomization from SamplesQA/QC InspectorsR&D Capabilities

Cungang Mold Fittings Co., Ltd.

Zhejiang, 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: 11 Years CertifiedNearest Port: Ningbo portAverage Response Time: ≤5.57h

AI-Powered supplier vetting

SummaryCungang Mold Fittings Co., Ltd. is a China-based limited company established in 2014 with 63 employees and a valid import/export license. Its stated product scope covers mold accessories, mold materials, bench drill accessories, machine tool accessories, and guide-related mold parts. The supplier reports ISO9001:2015 and CE certifications, 3D software design services, broad customization options, 10 R&D engineers, and new product development during the past year. It has exported for 11 years, with exports representing 31%–40% of sales. Service procedures exist, but some areas lack documented records, including supplier service assessment and complaint handling. No cooperation with Fortune 500 companies is reported. Financial information is insufficient for a substantive credibility assessment.

Supplier typeThe supplier is a China-based limited company established in Zhejiang in 2014, with 63 employees and no stated parent-group affiliation. Its business focuses on mold accessories, mold materials, and related machine-tool products, and it holds an import/export license.

CertificationsThe supplier reports both ISO9001:2015 management-system certification and CE product certification. These certifications provide explicit evidence of quality-management and product-compliance credentials, although the supplied information does not specify the certified product scope or validity dates.

After-Sales capabilityThe supplier has a corrective and preventive action procedure with records, but its service-capability assessment procedure has no records and its customer-complaint procedure has no written records. This demonstrates some formal process capability while also identifying documentation weaknesses in complaint and service evaluation activities.

R&D capabilityThe supplier reports 10 R&D engineers and confirms that new products were launched during the past year. It also states that its R&D capability supports customization from samples and designs, minor customization, full customization, and flexible customization, indicating active product-development capacity.

Customization capabilityThe supplier explicitly provides 3D software design services and supports customization from samples, customization from designs, minor customization, full customization, and flexible customization. This is direct evidence of broad customization capability.