What are the payment terms?

We accept LC, T/T, D/P, and PayPal as payment methods.

What is the lead time for mass production?

The production time is 10-15 days. During peak season, the lead time may extend to one month, while off-season production takes within 15 workdays.

How do you ensure product quality?

We conduct 100% inspection on finished products, including visual and function inspections. Raw materials are fully traceable, and we have 5 QA/QC inspectors.

Constant Force Torque Torsion Spring for Roller Blind System

Name: Constant Force Torque Torsion Spring for Roller Blind System
Brand: Zhuji Qizheng Machinery Manufacturing Co., Ltd
SKU: 2100927495

Zhejiang, ChinaZhuji Qizheng Machinery Manufacturing Co., Ltd

US$0.40

1,000-2,999 Pieces

US$0.35

3,000-4,999 Pieces

US$0.28

5,000+ Pieces

Product profile

Customization

Available

Function

Pressed

Material

Steel

Model NO.

Torsion Springs

Usage

Industrial, Furniture, Motorcycle, Home Appliance

Load Type

Torsion

Production Process

Hot Roll

Shape

Coil

MOQ

1000PCS

Package

Carton Boxes

Production Time

10-15 Days

Surface Treatment

Galvanized or as Your Requests

Transport Package

Box

Specification

0.2-10mm

Trademark

Origin

China

Key features

Customizable Design: Supports OEM/ODM with customization from samples or designs based on customer drawings.

Wide Material Selection: Available in spring steel, stainless steel, alloy steel, and beryllium copper.

Versatile Applications: Suitable for household appliances, pens, motors, lawnmowers, and industrial furniture.

Surface Treatment Options: Offers galvanized, nickel/zinc/chrome plated, heat, or spraying treatments as requested.

Fast Sample Delivery: Sample production time is typically 7-15 days for quick evaluation.

Strict Quality Control: 100% inspection including visual and function checks with traceable raw materials.

Flexible MOQ: Minimum Order Quantity starts at 1000 pieces for standard orders.

Reliable Packaging: Products are packed in carton boxes with pallets for secure shipping.

Company profile

Importers and Exporters

Zhuji Qizheng Machinery Manufacturing 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 CertifiedExport Year: 1 year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤6.69h

AI-Powered supplier vetting

SummaryZHUJI QIZHENG MACHINERY MANUFACTURING Co., Ltd. is a hardware-parts manufacturer producing springs, drilling oil and wellhead tools, automotive and agricultural machinery accessories, and other parts. It reports six production lines, four experienced export-trade staff, five quality inspectors, and markets covering Africa, domestic China, Europe, and North America. The supplier supports customization from samples and designs, ODM, and OEM for popular brands, but lacks 3D software design services and has not introduced new products in the past year. Quality and service procedures exist in several areas, yet records are generally absent, and complaint handling lacks both written procedures and records. ISO9001 certification is stated, while financial, environmental, and fire-drill evidence is insufficient for firm assessment. Overseas service infrastructure is limited, with no overseas warehouses, showrooms, agents, branches, or offline trade-show participation.

Supplier typeThe supplier is described as a machinery manufacturing company producing springs, drilling oil and wellhead tools, automotive and agricultural machinery accessories, and other hardware parts. Six production lines and identified export markets indicate a manufacturing-oriented supplier serving both domestic and overseas customers.

CertificationsThe company description explicitly states that the supplier is based on ISO9001 quality certification and has a quality assurance system with testing instruments and equipment. No additional certification details are provided.

After-Sales capabilityThe supplier has written procedures for effective service assessment and corrective/preventive actions, but no records; its approved-supplier list lacks approval signatures or dates, and customer complaint handling has no written procedures or records. It also reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, limiting demonstrated after-sales infrastructure.

R&D capabilityThe supplier offers ODM services and has designers and engineers, but reports no available SDK, no 3D software design service, and no new products during the past year. The evidence shows some design resources but does not establish strong recent innovation performance.

Production capacityThe supplier operates six production lines, has five quality assurance and quality control inspectors, and reports lead times of within 15 workdays off-season and one month during peak season. However, it does not continuously reconcile quantities for each batch or mass production, which is a stated production-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples and designs and provides ODM services. These capabilities directly support customer-specific product development, although 3D software design services are not available.

Product Q&A

Q:Can I customize the spring according to my specific requirements?

Yes, we support OEM and ODM services. You can provide drawings, samples, or designs, and we will manufacture the springs according to your specific requests.

Q:What materials are available for this torsion spring?

We offer a wide range of materials including spring steel, stainless steel, alloy steel, and beryllium copper. The material can be customized based on your needs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1000 pieces.

Q:What surface treatments are available?

We provide various surface treatments such as galvanized, nickel/zinc/chrome plating, heat treatment, or spraying, depending on your requests.

Q:How long does it take to produce samples?

The sample production time is typically 7-15 days.