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.

Premium Oil-Immersed Electrical Transformer for Reliable Power Supply

Name: Premium Oil-Immersed Electrical Transformer for Reliable Power Supply
Brand: ZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.
SKU: 2267463655

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 transformer production.

Comprehensive Certifications: Products certified with CCC, CE, GB, CQC, ISO, and PED standards.

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

Flexible Customization: OEM/ODM accepted; custom designs and drawings supported by engineering team.

High Efficiency & Safety: Flame retardant, explosion-proof, low loss, and high short-circuit resistance.

Extended Warranty Options: Standard 3-year warranty with options to extend up to 5 years for core components.

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

Strict Quality Control: 100% inspection with PMI analyzers, spectroscopic testing, and dedicated labs.

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: ≤3.38h

AI-Powered supplier vetting

SummaryThe supplier specializes in manufacturing pumps, vacuum equipment, and other mechanical and electrical products. They offer extensive customization capabilities and have a strong R&D focus, evidenced by their ODM and OEM services for popular brands. Despite having financial data for the past three years, their after-sales service lacks formal procedures and documentation. Production capabilities are limited with only two production lines and no overseas infrastructure. They handle exports constituting 31% to 40% of total sales and have a range of accepted payment terms and shipping conditions.

Supplier typeThe supplier is involved in manufacturing and sales of pumps, vacuum equipment, electrical accessories, and other related products.

After-Sales capabilityThe supplier has a customer service network and technical team, but lacks written procedures for service capability and complaint handling.

Financial creditFinancial data is available for the past three years, indicating financial transparency.

R&D capabilityThe supplier shows strong innovation with technological breakthroughs and has released new products in the past year.

Production capacityThe supplier has limited production capability with only two production lines and lacks ongoing volume reconciliation.

Customization capabilityOffers extensive customization options including full customization and ODM services.

Client casesThe supplier provides OEM services for well-known brands, indicating experience with reputable clients.

Product Q&A

Q:Are you a trading company or a factory?

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

Q:Can I get 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?

In quality control, the most critical aspect is preventing material mix-ups. Our factory has installed multiple spectroscopic PMI analyzers in the raw material warehouse, production workshop, and dispatch area. Equipment such as pressure testing machines, PMI analyzers, RA roughness testers, and hardness testers all contribute to ensuring quality. Additionally, we have our own laboratory and can provide extra test data for special products. During the production process, dedicated inspectors con

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

We believe that protecting our clients' interests is the cornerstone of our business. While we cannot guarantee 100% perfection, occasional quality issues may still arise. Depending on the specific situation, we typically resolve such cases through replacements, compensation, or resending goods. The specific solution will be discussed and agreed upon with the customer based on the actual circumstances.