What certifications does your factory hold?

ISO 9001 (626024QH073R1) and Bureau Veritas audited supplier (MIC-ASR2451820, 2024).

What is the minimum order quantity?

MOQ is negotiable and sample orders are welcome to verify quality first.

Loop End Extension Spring for Industrial Door Tensioner ISO 9001 Certified

Name: Loop End Extension Spring for Industrial Door Tensioner ISO 9001 Certified
Brand: Jinan Chenji International Trade Co., Ltd.
SKU: 2189939942

Shandong, ChinaJinan Chenji International Trade Co., Ltd.

US$9.90

20-99 Sets

US$7.90

100-299 Sets

US$6.90

300+ Sets

Sample price:US$58.00/piece.Request sample

Product profile

Customization

Available

Function

Buffer, Drive

Material

Steel

Model NO.

CS-SP-112

Usage

Auto, Home Appliance

Load Type

Extension

Production Process

Cold Roll

Shape

Coil

Spring Material

Oil Tempered Spring Wire

Structure

Loop End Extension Coil

Package

Polybag, Carton, Export Wooden Case

Custom HS Code

73202010

Wire Diameter

0.1-80 mm

MOQ

One Piece Trial Order Accepted

End Type

Loop Ends

Application 1

Industrial Door Tensioner, Counterbalance

Application 2

Sectional Door Balance

Advantage

Full Dimensional Inspection Before Every Shipment

OEM Service

Yes (OEM and ODM Private Label)

Factory Since

2014 (12 Years ODM Experience)

Production Equipment

35 Sets Coiling, Tempering and Testing Lines

Transport Package

100X100X100cm Wooden Case, 1100kg, Seaworthy

Specification

standard

Trademark

chenji

Origin

China

HS Code

7320209000

Production Capacity

49000PC/Week

Key features

Loop End loop end extension spring for industrial door tensioner

Oil Tempered Spring Wire wire with precise hook and loop geometry

Tension and free length tested per production lot

Zinc plated or stainless finish for rust protection

Custom length and hook form built to drawing

Every lot inspected and load tested before shipment

OEM and ODM private label service since 2014

Low MOQ trial order and quick sample lead time

Company profile

Years of Export ExperienceImporters and Exporters

Jinan Chenji International Trade Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-09-17Nearest Port: QingdaoAverage Response Time: ≤4.12hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, SDK support, ODM, OEM, and multiple customization options. It reports brewing-equipment production of 1,000 sets annually, exports to a broad range of regions, and generally states lead times of within 15 working days off-season and one month during peak season, although another slice reports within 15 working days during peak season. CE certification and regular fire drills are documented. After-sales services include installation, debugging, maintenance, repair, and training. Financial records are indicated for 2021–2023, but no financial performance values are provided. Innovation evidence is weak because no new products were launched in the past year, and quality-control test equipment is reported as zero. The supplier states OEM service for popular brands, but no specific customer names or case details are provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and provides 3D software design services. This supports classification as a technical and design-capable supplier rather than only a standard product manufacturer.

CertificationsThe supplier reports sustainable-development and product certification capability through CE certification. This is explicit certification evidence, although no additional certification types are listed.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints and service corrective/preventive actions. It offers installation, debugging, maintenance, repair, and training, with service coverage determined by customer demand; however, it has no overseas warehouses, showrooms, agents, or branches.

Production capacityThe supplier reports annual brewing-equipment production of 1,000 sets, exports to numerous global regions, and an off-season lead time within 15 working days. It also reports one month for peak-season fulfillment in one slice, while another states within 15 working days during peak season, so peak-season capacity information is inconsistent.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.