How about the lead time?

Generally,1-2 weeks for samples, 3-4 weeks for mass production.

How do you control the quality?

(1)Material inspection--Check the material surface and roughly dimension. (2)Production first inspection--To ensure the critical dimension in mass production. (3)$ampling inspection--Check the quality before sending to the warehouse. (4)Pre-shipment inspection--100% inspected by QC assistants before shipment.

What will you do if we receive poor quality parts?

Please kindly send us the pictures, our engineers will find the solutions and remake them for you asap.

Custom Heavy Duty Carbon Steel Compression Spring Manufacturer

Name: Custom Heavy Duty Carbon Steel Compression Spring Manufacturer
Brand: Qingdao Shiji Pinyang Machinery Manufacturing Technology Co., Ltd.
SKU: 2162882182

Shandong, ChinaQingdao Shiji Pinyang Machinery Manufacturing Technology Co., Ltd.

US$4.50

2,000-9,999 Pieces

US$4.00

10,000+ Pieces

Sample price:US$0.80/piece.Request sample

Product profile

Customization

Available

After-sales Service

Good Service

Warranty

6 Months

Model NO.

PY-9160604

Condition

New

Certification

CE, ISO9001

Standard

DIN, ASTM, GOST, GB, JIS, ANSI, BS

Customized

Material

Carbon Steel / SUS304 / SUS316

Application

Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery

Product Name

Compression Spring

Delivery Port

Qingdao Port

Tolerance

±.0002'' (±.005mm)

Surface Treatment

Anodize,Alodine,Electroplating Available in Accord

Testing Machine

CMM(Mitutoyo,Accretech, Hexagon), Image Measuring

Processing Equipments

Milling, Turning, 5-Axis Mill Turn, Wire EDM, Grin

Feature

Precision Durable

Wire Diameter

0.2-20mm

Outer Diameter

Customized

Free Length

Customized

Load Force

Customized

OEM Service

Available

Sample

Available

Transport Package

Carton Package

Specification

7 CM

Trademark

Speed Worth

Origin

China

Production Capacity

100000 Pieces/ Month

Key features

Customized Dimensions: Outer Diameter, Free Length, and Load Force are fully customizable to meet specific requirements.

Wide Material Selection: Available in Carbon Steel, SUS304, SUS316, Aluminum, Stainless Steel, Brass, and various plastics.

Comprehensive Surface Treatment: Options include Anodizing, Electroplating, Powder Coating, Polishing, and Heat Treatment.

Global Certifications: Certified with CE, ISO9001, IATF, and SGS for quality and safety compliance.

24/7 Online Support: Engineers available around the clock for quotes, technical inquiries, and design modifications.

OEM and ODM Services: Full customization from samples or designs with flexible customization options available.

Strict Quality Control: 100% inspection before delivery with detailed quality inspection forms provided.

Company profile

Patents AwardedODM ServicesManagement CertificationR&D Capabilities

Qingdao Shiji Pinyang Machinery Manufacturing Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 yearsNearest Port: Qingdao Port, Ningbo Port, Tianjin PortAverage Response Time: ≤2.91h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined manufacturing company and professional technical supplier offering CNC machining, metal, spring, clamp, automotive, sheet metal, casting, and related products. It provides 3D software design, ODM, and broad customization services, supported by machining, pressing, spring, and powder-coating equipment. Finished-product inspection instructions are available and uniformly followed, and quality assurance is reported. However, service-capability assessment, approved-supplier management, corrective-action, and complaint-handling procedures are undocumented. The supplier has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows. No new products were developed in the past year, and no SDK or major-brand OEM capability is reported. Certification evidence is limited to ISO9001:2015.

Supplier typeThe supplier is explicitly described as a professional technical supplier and a combined company. Its stated scope includes CNC machining, aluminum, stainless steel, brass, sheet metal, springs, automotive parts, and custom machining services.

CertificationsThe supplier reports quality assurance in its quality-control processes and holds an ISO9001:2015 certificate. No other certification is identified in the provided information.

After-Sales capabilityThere are no written procedures or records for handling customer complaints, and no documented service-capability assessment or corrective/preventive-action mechanism. The supplier also lacks overseas warehouses, showrooms, agents, branches, and offline trade-show experience.

Production capacityThe supplier lists lathes, milling and pressing machines, spring machinery, and a powder-coating production line. It offers a broad range of machined and fabricated products, and finished-product inspection instructions are reportedly available and uniformly followed.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full, minor, and flexible customization. Its product scope also includes custom machining parts and custom CNC machining services, indicating broad tailoring capability.