What certifications does the product have?

The product complies with Chinese standards GB/T 1094 and GB/T 6451, and the company holds ISO9001 and ISO9002 quality system certifications.

Custom Oil Immersed Power Transformer for Industrial Control Applications

Name: Custom Oil Immersed Power Transformer for Industrial Control Applications
Brand: Zhejiang Hairui Electric Co., Ltd.
SKU: 2273734795

Zhejiang, ChinaZhejiang Hairui Electric Co., Ltd.

US$800.00-2,000.00

1 Set

Product specifications

Rated Capacity

Product profile

Customization

Available

Application

Power, Electronic, Voltage Transformation

Phase

Three-Phase

Model NO.

SZ11

Core

Amorphous Alloy Transformer

Cooling Method

Onan

Winding Type

Two-winding Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hairui

Coil Number

Coil Structure

Oval

Frequency

50 Hz60 Hz

Input Voltage

35 Kv, 11 Kv, 10 Kv33kv.20kv

Output Voltage

110V.220V.380V.400V.415 V,440V

Transport Package

Wood Box

Specification

customize

Trademark

HaiRui

Origin

Zhejiang, China

Production Capacity

5000000/PC

Key features

High Energy Efficiency: Meets GB 20052-2024 Level 1 standards with losses reduced by over 30% and 20%.

Maintenance-Free Design: Fully sealed corrugated tank eliminates oil conservator and isolates from air/moisture.

Long Service Life: Vacuum drying process ensures design life exceeding 20 years with slow insulation aging.

Robust Structural Design: Impact-resistant fastening suitable for long-distance transport and harsh environments.

Strong Short-Circuit Resistance: Balanced winding ampere-turn distribution provides high mechanical strength.

Flexible Customization: Customizable capacity, size, voltage, and protective coatings like corrosion resistance.

Wide Environmental Adaptability: Suitable for indoor/outdoor, high altitude, humidity, pollution, and coastal areas.

ISO9001 Certified Quality: Strictly adheres to GB/T 1094, GB/T 6451, and ISO9001 standards for reliability.

Company profile

Cooperated with Fortune 500Management CertificationR&D CapabilitiesCustomization from Samples

Zhejiang Hairui 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.Export Year: 2025-12-06 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.06h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical manufacturer with production equipment, standardized finished-product inspection, quality assurance, material traceability, 3D design, and broad customization capabilities. It reports OEM and ODM services and exports representing 51%–70% of total sales. However, the evidence also shows no new products in the past year, no SDK, no overseas agents, branches, warehouse, or showroom, and no participation in offline trade shows. Corrective-action and complaint-handling procedures exist but lack written records. Supplier-management controls are weak because there are no written assessment procedures or approved supplier lists, and no valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be positively assessed from the provided figures, which are stated as zero for the reported periods.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and reports R&D capability, 3D software design services, manufacturing equipment, and export activity of 51%–70% of total sales. These details support classification as a technical manufacturing supplier with international sales exposure.

CertificationsThe supplier states that it is certified to ISO 9001 and ISO 9002 quality management systems and claims recognition as a National High-Tech Enterprise and a Top 10 Well-Known Brand of Prefabricated Substations. The certification wording contains apparent transcription errors, so the stated certifications are evidence of claimed quality credentials but not independently verified here.

Production capacityThe supplier reports technical expertise, production facilities, advanced manufacturing processes, and equipment including machining, bending, assembly, cutting, laser cutting, welding, electrical leakage testing, and a partial-discharge lightning test laboratory. It also has inventory capability, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. Nevertheless, no valid contract with related subcontractors is reported, creating a documented capacity-management concern.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design services and ODM capability. This demonstrates broad stated customization coverage.

Product Q&A

Q:Does it support OEM/ODM customization?

Yes, we support customized services, including parameter adjustments for power, size, input/output voltage, protection level (IP level), working environment (such as explosion-proof, high temperature resistance), and provide technical solution design.

Q:Can you provide technical document support?

Yes, English manuals, product certificates, test reports, wiring diagrams, and other documents are provided with the goods, and we can assist customers in completing the necessary documents for import customs clearance.

Q:Where are you? Can I come see you?

Of course, you are welcome to visit our factory anytime.

Q:What is the delivery time?

Standardized production ensures delivery within 12-30 days.

Q:What are the main applications for this transformer?

Suitable for power grid distribution, infrastructure projects, new energy support like wind and solar, and as a core component in prefabricated substations.