How long is your delivery time?

For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.

What is the warranty time?

3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.

High-Efficiency Three Phase Oil Transformer for Reliable Power Distribution

Name: High-Efficiency Three Phase Oil Transformer for Reliable Power Distribution
Brand: ZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.
SKU: 2274410065

Zhejiang, ChinaZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.

US$500.00-2,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic

Phase

Three or Single

Model NO.

S11-M-30 / S11-M-50 / S11-M-63 / S11-M-80/ S12.../

Cooling Method

Oil-immersed Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Package Size

250.00cm * 250.00cm * 250.00cm

Package Gross Weight

4000.000kg

OEM & ODM Custom

Model

S11-M-30 / S11-M-50 / S11-M-63 / S11-M-80/ S12.../

Tapping Range

±5 % 2X2.5 % ±4X2.5 %

Connection Symbol

Dyn11,Yyn0 ( or as Requested)

Transport Package

Reinforced Wooden Box

Specification

Core-type Transformer

Trademark

CHBEST POWER

Origin

China

Key features

15 Years Manufacturing Experience: Professional factory with 15 years of history in power transformers and switchgear.

Comprehensive Certifications: Certified by CCC, CE, GB, CQC, ISO9001, and PED with carbon footprint options.

Global Technical Support: 24/7 multilingual support with 2-hour response and engineer dispatch within 48 hours.

Flame Retardant & Explosion Proof: Safe for load center installation with high fire point and environmental friendliness.

High Quality Core Material: Uses cold rolled grain-oriented silicon steel with 45-degree oblique joint structure.

Flexible Customization: Accepts OEM/ODM, custom designs, and specific tapping ranges like Dyn11 or Yyn0.

Extended Warranty Options: Up to 5 years beyond standard coverage for core components and labor costs.

Rapid Spare Parts Delivery: Regional centers in Europe, Asia, and North America ensure 72-hour delivery.

Company profile

Quality Assurance100% Finished Products InspectionFast DeliveryCustomization from Designs

ZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qili PortAverage Response Time: ≤1.72h

AI-Powered supplier vetting

SummaryThe supplier manufactures pumps and vacuum equipment and also sells a broad range of mechanical, electrical, mining, lighting, instrumentation, and related products. It demonstrates strong customization coverage, reports new products within the past year, provides ODM services, and has OEM experience with well-known brands. Production includes two lines and multiple listed machines, but the evidence also shows weaknesses in formal quality, service, outsourcing, inventory, overseas-support, and production-reconciliation procedures. The supplier reports service quotation and payment options, peak-season lead time of one month, and off-season lead time within 15 workdays. No certification information, specific customer cases, or monetary financial data is provided.

Supplier typeThe supplier is primarily a manufacturer and seller of pumps and vacuum equipment, with additional activities covering mechanical and electrical equipment, mining machinery, lighting, electronic components, instruments, power machinery, hardware, cables, metals, rubber products, and building materials. This indicates a diversified industrial equipment supplier rather than a narrowly specialized entity.

After-Sales capabilityThe supplier states that it has a nationwide customer service network and a technical customer service team, with quotation terms, payment terms, and stated seasonal lead times. However, it reports no written service assessment procedures, corrective/preventive-action records, or complaint-handling procedures, and has no in-stock capability, overseas warehouse, or overseas showroom; overseas service coverage is reported as zero countries.

R&D capabilityThe supplier reports new products within the past year and offers ODM services, supporting active product development capability. It does not have an available SDK, which limits evidence of software or platform integration capability but does not negate the stated product-development strength.

Production capacityThe supplier lists multiple production machines and two production lines, indicating established manufacturing resources. However, it lacks a valid manufacturing contract with related subcontractors, has no inventory capability, does not continuously reconcile production quantities by batch, and has no outsourcing standard operating procedure, creating documented process-control limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad capability is reported across its R&D and design-service information, providing direct evidence of strong customization coverage.

Product Q&A

Q:Are you a trading company or factory?

We are a manufacturer boasting 15 years of industry experience and holding proprietary import-export rights.

Q:May I request free samples?

Free samples can be provided for first cooperation under sincere cooperation.

Q:What certifications do you have?

Yes, we hold ISO, CE, and PED certificates. In addition, we possess a number of design patents and a Special Equipment Manufacturing License.

Q:How do you control the quality?

We use spectroscopic PMI analyzers, pressure testing machines, and dedicated inspectors at all stages. Our own laboratory provides extra test data for special products.

Q:If there is any quality problem, how do you solve it?

We typically resolve cases through replacements, compensation, or resending goods based on the specific situation and customer agreement.