What is the warranty policy?

We provide a quality warranty for the whole machine, including free repair or replacement of faulty parts caused by non-human factors.

What are the lead times for production?

Lead time is 3-6 months during off-peak season and 6-12 months during peak season.

100kVA S11 S9 Oil Immersed Power Transformer with CE ISO 9001 Certificate

Name: 100kVA S11 S9 Oil Immersed Power Transformer with CE ISO 9001 Certificate
Brand: Wenzhou Longqi Import and Export Co., Ltd.
SKU: 2151430742

Zhejiang, ChinaWenzhou Longqi Import and Export Co., Ltd.

US$2,000.00-6,000.00

1 Piece

Sample price:US$5000.00/piece.Request sample

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

JB/T 3837

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Double-Winding

Certification

ISO9001-2000, CCC

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Core Shape

Operation Voltage

High Voltage

Form

All- Packaged Type

Size

1 Uint

Shell Material

Stainless Steel

Application Range

Power Plants

Altitude

No More Than 1000m

Certificate

CE/ISO

Feature

Great Flexibility, Small Volume, Low Cost,Rapid

Rated Voltage

10kv/0.4kv

Rated Frequency

50Hz

Transport Package

Iron Case/Wooden Case

Specification

Customized

Trademark

OEM

Origin

China

HS Code

8537209000

Production Capacity

100 Pieces/Week

Key features

Compact Space-Saving Design: Volume is 1/3-1/5 of European-style substations, ideal for narrow urban spaces.

Full-Sealed Insulation Structure: Eliminates insulation distance needs, ensures safety, and isolates pollution and moisture.

Independent Maintenance Layout: Double-tank design allows separate maintenance of HV and transformer parts without interference.

Dual Power Supply Mode: Supports ring network and terminal supply with quick switching via four-position load switch.

Comprehensive Protection System: Features insert-type and backup limit fuses for dual overcurrent and short-circuit protection.

24-Hour After-Sales Response: Establishes a 24-hour mechanism for timely operation problem resolution and technical guidance.

Lifelong Maintenance Service: Provides long-term supply of original spare parts and lifelong maintenance support.

Company profile

Fast DeliveryCustomization from SamplesFull CustomizationQuality Assurance

Wenzhou Longqi Import and Export Co., Ltd.

Zhejiang, China

Business Type: Trading CompanyExport Year: 2025-05-01Nearest Port: Wenzhou Port, Ruian Port, Yueqing Bay Port AreaAverage Response Time: ≤5.38hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, Others, FCA, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT

AI-Powered supplier vetting

SummaryThe supplier is a limited company with affiliated companies and offers high- and low-voltage electrical equipment, including switchgear, transformers, circuit breakers, and related accessories. It reports OEM service for well-known brands and broad customization options, supported by assembly, copper-strip processing, and robotic welding facilities. Finished-product inspections reportedly follow written instructions uniformly. However, its service-management controls are weak: no written procedures or records were reported for service capability assessment, corrective and preventive actions, or complaint handling. Overseas service coverage is stated as zero, and R&D capability with SDK availability is absent. Financial and sustainability records are referenced by year, but the supplied information does not provide assessable financial results or environmental/fire-drill status. Customer cases are not explicitly identified.

Supplier typeThe supplier is identified as a limited company and is part of a larger company group through affiliated companies. Its stated product scope centers on electrical power-distribution and switching equipment, including switchgear, substations, transformers, and circuit breakers.

After-Sales capabilityThe supplier reports no written procedures or followed records for service-capability assessment, corrective and preventive actions, or effective customer-complaint handling. Although it describes 24/7 cross-border communication support and states one-month lead times, overseas service coverage is listed as zero, so formal after-sales capability is not demonstrated.

R&D capabilityThe supplier reports no R&D capability with an available SDK. This is explicit evidence of a limitation in the stated innovation and software-development support, while no broader R&D evidence is provided.

Production capacityThe supplier lists assembly lines, copper-strip processing machinery, and welding robots, and offers a defined range of high- and low-voltage electrical products. It also reports three quality assurance and quality control inspectors and uniformly followed finished-product inspection instructions, supporting production and quality-control capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, and minor customization. Its company description also states solution customization as part of its foreign-trade services, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. However, no customer names, project details, product references, or verifiable case descriptions are supplied.