What Is The Difference Between Oil-Immersed and Dry-Type Transformers

Name: What Is The Difference Between Oil-Immersed and Dry-Type Transformers
Brand: Yueqing Zhufeng Electric Co., Ltd.
SKU: 2309186545

Zhejiang, ChinaYueqing Zhufeng Electric Co., Ltd.

US$1,000.00-3,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier

Phase

Three

Model NO.

S9/S11/S13/S20

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Zfele

Customized

Available

Logo Custom

OEM & ODM Custom

Degree of Protection (Gas Tank)

IP68

Warranty

1 Yea/Customized

Transport Package

Customized

Specification

according to actual

Trademark

ZFELE

Origin

China

HS Code

8504210000

Production Capacity

2000 Pieces/Month

Key features

Excellent heat disspation performance

Superior insulation capability

Long service life&low maintenance cost

Strong overload resistance

High stability under harsh working environment

Low operating noise

Cost-errectuve for large capacity power transmisstion

Good arc extinguishing ability

Company profile

High Repeat Buyers ChoiceSelf-brandedManagement Certification100% Finished Products Inspection

Yueqing Zhufeng Electric 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: 6 years CertifiedNearest Port: Ningbo portAverage Response Time: ≤0.08h

AI-Powered supplier vetting

SummaryThe supplier is a 15-employee limited company offering multiple electrical distribution products, including box-type substations, ring main switchgear, metal-enclosed switchgear, low-voltage cabinets, and branch boxes. It holds an ISO9001:2015 certificate and reports quality assurance, but quality control resources and process documentation are limited: one inspector, finished-product checks performed by packing staff, no raw-material traceability, and no written complaint, corrective-action, or supplier-service procedures. The supplier provides broad customization and ODM/OEM services, has introduced new products within the past year, and reports one R&D engineer with one year of combined experience. Production is based on one line, with one month stated lead time in both peak and off-season periods. Overseas service coverage is limited, with no overseas warehouse, showroom, agent, branch, or trade-show participation. Financial credibility cannot be assessed from the provided records, and customer cases...

CertificationsThe supplier reports holding an ISO9001:2015 certificate. A CTI audit record is also provided with a validity period from April 18, 2026 to April 17, 2027, but the audit result is recorded as 0 and the meaning of that score is not explained, so certification strength beyond the stated ISO certificate cannot be determined.

After-Sales capabilityThe supplier states that it plans to optimize its after-sales system, but there are no written procedures or records for customer complaints, corrective and preventive actions, or effective service-capability assessment. It has no overseas warehouse, showroom, overseas agent or branch, and no overseas service countries reported, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM service, broad design customization, and one national science and technology progress award. However, it reports only one R&D engineer with one year of combined experience and no available SDK, so the evidence supports some innovation activity but not a broad or deeply resourced R&D capability.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad customization capability.