What is the standard packaging method?

We usually use strong plywood cases for protection to ensure the transformer arrives safely without damage.

What certifications does the product have?

The transformer is certified with ISO9001-2000, ISO9001, and CCC, ensuring it meets national and IEC standards.

What is the minimum order quantity?

The Minimum Order Quantity is 1 Set. We provide one-to-one service for orders of any size.

110kv Series Oil Immersed on-Load Regulation Power Transformer

Name: 110kv Series Oil Immersed on-Load Regulation Power Transformer
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 828968665

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$20,000.00-200,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic, Rectifier

Phase

Three

Model NO.

S 9, S10, S11

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Rockwell

Type

on Load Tap Changer Transformer

Material

Copper, Mineral Oil

Frequency

50Hz

Transport Package

Wooden Packing

Trademark

Rockwell

Origin

China

HS Code

8504231100

Production Capacity

200

Key features

High Efficiency & Low Loss: Oil-immersed design ensures small size, light weight, low noise, and minimal energy loss.

Flexible Material Options: Available in Copper or Aluminum windings based on customer requirements and budget.

Comprehensive Certification: Certified with ISO9001-2000, ISO9001, and CCC standards for quality assurance.

OEM & Customization: Supports OEM branding and flexible customization from samples or designs.

12-Month Warranty: Provides a 12-month warranty coverage starting from the Bill of Lading date.

Fast Delivery: Standard production time is typically 15-20 days for efficient order fulfillment.

Professional Support: Offers free online technical support and experienced sales service globally.

Strict Quality Control: 100% inspection of finished products including visual and function checks.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Wenzhou Rockwill 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. CertifiedExport Year: 16 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a limited company offering switchgear, compact substations, high- and low-voltage equipment, and transformers. It reports four production lines, 21–30 quality-control staff, one-month lead times in both peak and off-peak periods, and export experience of 16 years with exports representing 51%–70% of sales. It provides broad customization, ODM, SDK, and OEM services, including OEM for known brands. Service governance is supported by written inspection, complaint-handling, corrective-action, and supplier-assessment procedures with records. However, no overseas warehouse, showroom, overseas agent or branch is available, and no overseas service countries are reported. Certification holdings and specific customer case details are not provided. Financial records are indicated for recent years, but the supplied information does not establish financial strength.

Supplier typeThe supplier is identified as a limited company, with a stated business scope covering switchgear, compact substations, high-voltage switchgear, low-voltage complete equipment, and transformers. This establishes a manufacturer or industrial equipment supplier profile, but the record does not provide further ownership or group-structure details.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has an available SDK. These are explicit indicators of product-development and technical-support capability.

Production capacityThe supplier operates four production lines, has 21–30 quality-control staff, maintains inventory capability, and reports one-month lead times in both peak and off-peak seasons. It also has valid manufacturing contracts with each related subcontractor and a supplier network of 42 qualified suppliers, supporting production continuity; actual capacity volume is not otherwise established without using the excluded monetary output figure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability and new-product activity, providing strong direct evidence of broad customization support.

Product Q&A

Q:What payment terms are accepted?

We accept TT with a 30% deposit and 70% balance against the copy of the Bill of Lading. Other terms include LC, D/P, PayPal, and Western Union.

Q:What is the delivery time?

Usually, it takes about 15-20 days. During peak seasons, the lead time may extend to one month.

Q:Can I customize the transformer material?

Yes, we offer both Copper and Aluminum winding options. Copper offers better longevity but at a higher price, while Aluminum is a cost-effective alternative.

Q:Is OEM service available?

Yes, OEM service is available. If you have a good quantity, we can customize the logo and branding according to your requirements.

Q:What is the warranty period?

We provide a 12-month warranty starting from the date of the Bill of Lading. This covers quality assurance for your peace of mind.