What is the warranty period?

We offer a 12-month warranty from the date of manufacture. Extended warranties are available for major components.

How is technical support provided?

We provide remote guidance via phone, email, or video. On-site service by engineers is available if required (additional fees apply), along with long-term spare parts supply.

Do you hold international quality certifications?

Yes, our factory is ISO 9001 certified. Products comply with IEC and CE standards, and we can apply for other country-specific certifications upon request.

Completely Sealed Long Life Oil Immersed Transformer

Name: Completely Sealed Long Life Oil Immersed Transformer
Brand: Baoding Yuanchen Transformer Manufacturing Co., Ltd.
SKU: 2138890712

Hebei, ChinaBaoding Yuanchen Transformer Manufacturing Co., Ltd.

US$1,200.00

1-9 pieces

US$1,000.00

10-49 pieces

US$800.00

50-99 pieces

US$500.00

100+ pieces

Product specifications

S-30KVA-2500KVA

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

S-30KVA-2500KVA

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC, CE

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Yuanchen

Coil Number

Coil Structure

Round

Winding Material

Copper

Frequency

50 Hz60 Hz

Input Voltage

6kv,10kv,15kv20kv,35kv

Output Voltage

110V220V380V400V,440V,48 Ov

Transport Package

Wooden Package

Specification

CBM: 1-15

Trademark

Yuanchen transformer

Origin

Hebei, China

Production Capacity

10000pieces/Year

Key features

Completely Sealed Design: Oil immersed transformer with completely sealed structure for long life and reliability.

High Capacity Output: Annual production capacity exceeds 3,000,000 kVA with advanced manufacturing lines.

Flexible Material Options: Available with Copper or Aluminum windings to suit budget and efficiency needs.

International Certifications: Holds ISO 9001, CCC, and CE certifications ensuring global quality standards.

Custom Voltage Support: Input voltage supports 6kv to 35kv; Output voltage supports 110V to 480V.

Low MOQ for Standard: Minimum order quantity is just 1 unit for standard products.

Comprehensive Warranty: 12-month warranty from manufacture date with extended options for major components.

Robust Packaging: Specialized wooden crates for LCL and secure fastening for FCL to ensure safe transport.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedExhibition Experience

Baoding Yuanchen Transformer Manufacturing Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 2 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.04h

AI-Powered supplier vetting

SummaryThe supplier is a combined company with manufacturing, export, service, quality-control, R&D, and sustainability capabilities. It performs 100% finished-product inspection and holds ISO9001:2015, ISO45001:2018, ISO14001, CCC, and CE certifications. It supports extensive customization and has OEM experience for popular brands, but does not provide ODM services, has no available SDK, and lacks R&D audit documentation and new product development evidence from the past year. Export sales represent 41%–50% of total sales, while overseas service infrastructure is limited: no overseas agents, branches, warehouses, or showrooms. Production-related controls include inventory capability and one-month lead times, but there is no valid manufacturing-capacity contract with affiliated subcontractors and no written service-capability procedures or inspection records. Financial records are indicated for 2022–2024, but the slices do not provide sufficient evidence to assess financial strength.

Supplier typeThe supplier is explicitly identified as a combined company rather than an offshore company. Its described business scope covers manufacturing, export trade, service, quality control, R&D, and sustainable development capabilities, indicating an integrated supplier profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, along with CCC and CE product-certification capability. These are explicit certification-related credentials supporting quality, occupational safety, environmental management, and product compliance.

After-Sales capabilityThe supplier has in-stock service capability and has participated in the South Africa Power Exhibition, but it reports no overseas agents or branches, no overseas warehouse, no overseas showroom, and service coverage in zero countries. This demonstrates limited overseas after-sales infrastructure.

R&D capabilityThe supplier has CAD capability and engineers can develop products according to customer voltage, capacity, appearance, material, and size requirements. However, it has no available SDK, no R&D audit documentation, no new products reported in the past year, and no ODM service, limiting evidence of independent innovation.

Production capacityThe supplier operates automatic winding and cutting equipment, performs 100% finished-product inspection, maintains inventory capability, and reports one-month peak- and off-season lead times. Nevertheless, it has no valid manufacturing-capacity contract with affiliated subcontractors, and its service-capability assessment has no written procedures or records.

Customization capabilityThe supplier explicitly offers customization from designs, full customization, minor customization, and flexible customization. Its R&D responsibilities also cover customer-defined voltage, capacity, appearance, material, and size, providing direct evidence of broad customization capability.

Client casesThe supplier explicitly reports OEM service for popular brands, export sales representing 41%–50% of total sales, and participation in the South Africa Power Exhibition. These indicate brand-OEM and export-market experience, although no specific customer names, project details, or case outcomes are provided.

Product Q&A

Q:What types of transformers do you manufacture?

We mainly produce oil-immersed transformers for outdoor and industrial use, and dry-type transformers for indoor and commercial buildings with high fire safety requirements.

Q:Are windings made of copper or aluminum?

We offer both. Copper windings provide higher conductivity and efficiency, while aluminum windings are a lower-cost, lighter alternative. Selection depends on budget and operational needs.

Q:What is the minimum order quantity?

For standard products, the MOQ is 1 unit. For customized products, the MOQ is determined through negotiation based on specific specifications.

Q:What payment methods do you accept?

We primarily accept T/T (Telegraphic Transfer) with a 50% advance payment and 50% balance before shipment. Other terms can be discussed.

Q:What is the delivery lead time?

Standard small transformers take 15-30 days. Large or custom transformers take 45-90 days or longer. Exact time is provided upon inquiry.