What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

The lead time is one month for both peak and off-peak seasons.

Does the transformer have a warranty?

All in-service products have demonstrated high reliability with no reported damages or oil leakage.

on Load Tap Changer Transformer Oil Immersed (SZ9)

Name: on Load Tap Changer Transformer Oil Immersed (SZ9)
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 683440532

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$2,000.00-3,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Rectifier

Phase

Three

Model NO.

SZ9

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Rockwell

Color

Gray, Green or Customized

Material

Oil, Copper

Transport Package

Wooden Packing

Specification

IEC/ANSI/GB

Trademark

Rockwell

Origin

Zhejiang, China

HS Code

8504231100

Production Capacity

10000

Key features

Low Power Loss: No-load loss is 30% lower than IEC standard.

Low Noise Level: Products of 63MVA and below are lower than 58 dB (AN).

High Reliability: All in-service products have no damages or oil leakage.

Corrugated Oil Tank: Wide steel sheet folded structure enhances strength and reduces noise.

Advanced Core Design: High-permeable grain-orientated silicon sheet with 45 full-miters.

Customizable Color: Available in Gray, Green, or Customized options.

OEM/ODM Service: Full customization, minor customization, and flexible options available.

ISO 9001 Certified: Manufacturing and sales strictly follow international quality standards.

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: ≤9.98h

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.