Rockwill

Wenzhou Rockwill Electric Co., Ltd.

China

2 Followers

3 Following

2 Contacts

About us

Rockwill Electric Group Global Manufacturer of High voltage and medium-voltage power equipment and smart grid solutions. Headquartered in Wenzhou, China. Serving 100+ countries with quality, innovation, and trust. What We Offer: • HV-MV switchgear (VCB, SF₆ circuit breakers, RMU, GIS) • Distribution transformers and substations • Smart grid and monitoring systems • Solar, wind, EV charging, and energy storage solutions • EPC turnkey power projects Certified: ISO 9001 / ISO 14001 / ISO 45001

Photo Gallery

Industry： Engines and Power Transmission Equipment Manufacturing

Scale： 500-1000

Nature of the Enterprise： For-Profit Organization

RegDate： 2008-12-08

Main Business： Rockwill is glad to cooperate with our strategical partner, and provide with soltions:Factory construction, aseembly line, manufacturing

Address： Wengyang Industrial Zone,Wenzhou City, Zhejiang Province,China.

For your information security, this site’s homepage has been officially verified.

Products

Members

su****@rockwill.com

Manager
ChengMing Chen

Chen/CEO
Claire

Test
Daring

Sales
Mark

Sales

Verified Business

Whole life care manager

Years Experience

500-1000

Employees Num

108000㎡

Workplace

$150000000

Highest Annual Export

RVR1-200A-11 single phase 32-step voltage regulator type test
S20-M-5000/33 Oil-immersed power transformer Type Test
S20-M-5000/15 Oil-immersed power transformer Type Test
YB-33/0.4-5000 High/low voltage prefabricated substation
S11-M-315/10 Power Transformer Commissioned Test
S11-M-500/11 distribution transformer type test
S11-M-500/33 distribution transformer type test
S11-M-1600/20 Oil-Immersed Power Transformer Testing Report
S13-315/15 distrbution transformer Type Test
S13-315/33 distrbution transformer
RVR1-200A-33 single phase 32-step voltage regulator
RVR1-100A-11 single phase 32-step voltage regulator test
RVR1-100A-22 single phase 32-step voltage regulator
RVR1-200A-22 single phase 32-step voltage regulator
JDS-330/33 Earthing transformer Test
SCB11-1600/10 Dry-type Transformer test report
SCB18-6300/33 dry power transformer test
RVR-5000/10 Three Phase Oil Immersed Automatic Voltage Regulator test
S22-M-500/15 Oil Immersed Transformer test
S22-M-500/33 Oil Immersed Transformer
S22-M-630/15 Oil Immersed Transformer
S22-M-630/33 Oil Immersed Transformer
S22-M-800/15 Oil Immersed Transformer
S22-M-800/33 Oil Immersed Transformer
S22-M-1250/15 Oil Immersed Transformer
YB-24/0.4-1250 Prefabricated Substation
XGN(RMR)-40.5-V/1250-31.5 Complete Sealed and Gas Insulated Ring Main Unit Switchgear
YB-33/0.4-800 HV/LV Prefabricated Substation
YB-33/0.4-1250 HV/LV Prefabricated Substation
YB-33/0.4-630 HV/LV Prefabricated Substation
YB-33/0.4-500 HV/LV Prefabricated Substation
YB-33/0.4-315 HV/LV Prefabricated Substation
KYN61-40.5/2500-31.5 Metal clad ac withdrawable switchgear
KYN28-24/3150-40 Indoor ac armored removable switchgear
RMR-17.5-CCCC/630-16 Gas-insulated indoor HV AC metal-enclosed Ring Main Unit
RMR-12V/630-25 Gas-insulated indoor HV AC metal-enclosed Ring Main Unit
RCW-15/800-16 A three-pole vacuum automatic circuit recloser
YB□-15/0.4-500 High/low voltage pre-installed substation
YB□-15/0.4-630 High/low voltage pre-installed substation
YB□-15/0.4-800 High/low voltage pre-installed substation
YB□-15/0.4-1250 High/low voltage pre-installed substation
YB□-33/0.4-500 High/low voltage pre-installed substation
YB□-33/0.4-630 High low voltage pre-installed substation
YB□-33/0.4-800 High low voltage pre-installed substation
RPS-12/630 Sealed Metal-Enclosed Complete Unit for SF6 Load Break Switch
YB□-33/0.4-1250 High low voltage pre-installed substation
RPS-12/630 Short-Circuit & Switching Performance of SF6 Load Break Switch
RPS-12/630 Dielectric Insulation Performance for SF6 Load Break Switch
YB□-15/0.4-1250 HV/LV Prefabricated Substation
RCW-38/800-16 KEMA Comprehensive Type Test for Three-Pole Vacuum Automatic Circuit Recloser
RCW-38/800-16 Three-pole vacuum automatic circuit recloser
RCW-15/800-16 Three-pole vacuum automatic circuit recloser
RLS-24/630-20 Motorized Load Break Switch (LBS)
SM66-24/DM 24kV Medium Voltage Switchgear
SM66-24/QM Medium Voltage Switchgear
RLS-24 Load Break Switch-Fuse Combination
Lateral Vacuum Circuit Breaker Type test
SM66-24/IM Medium Voltage Switchgear
RCW-F38 Epoxy Resin Solid Insulation Integrated Pole
JDZW-33R Voltage transformer
JDZW-11R Voltage Transformer
LZZBWB-33 Current Transformer
LZZBW-11 Current Transformer
VD4-24-630/25 High voltage vacuum circuit breaker
VD4-24-2000/25 High voltage vacuum circuit breaker
RPS-24/630-25 Outdoor Load Switch
RCW-15/800-25 Outdoor Vacuum Automatic Recloser
RPS-36/630-25 Outdoor Load Switch
RWK-351 Control Panel
KYN28-24/2000-25 indoor ac metal-clad switchgear
RCS-3,27/630-25 Three phase Capacitor Switch
RVR1-400A-22 single-phase 32-step voltage regulator
S22-M-1250/33 oil immersed transformer type test
LZW32-38 current transformer
Calibration certificate for switch mechanical characteristic tester
Calibration certificate for circuit resistance tester
Calibration certificate for insulation resistance tester
Calibration certificate for volt ampere characteristic comprehensive tester
Calibration Certificate for Voltage Endurance Tester
group test cart

Solutions

Namibia 33kV 2500kVA PV Transformer Efficiency and Loss Optimization Solution

Namibia 33kV 2500kVA PV Power Plant Step-up Transformer Efficiency and Loss Optimization SolutionDesigned for Namibia's extreme high-temperature environments, this solution utilizes next-generation low-loss magnetic materials and optimized winding structures to maximize lifecycle energy efficiency at 50°C ambient temperature.Applications: Utility-scale solar farms, centralized grid-tied systemsEfficiency Grade: Compliant with IEC 60076-20:2017 Level 2 or higherCore Objectives: Reduction of N

04/09/2026

Intelligent Operation Solution for 12kV Vacuum Circuit Breakers: Integrating Real-time Monitoring & Lifetime Optimization

Ⅰ. Equipment Operation & MaintenanceIntelligent Monitoring System IntegrationMulti-parameter Real-time Monitoring: Embedded sensors (temperature, displacement, Hall effect current sensors) track contact temperature rise, mechanical characteristics (opening/closing speed, overtravel), coil current, and partial discharge signals. Data undergoes preprocessing via edge computing prior to cloud upload.Lifetime Prediction Model: Dynamically evaluates remaining lifespan using electrical wear data

06/10/2025

SF6 Circuit Breaker Solutions for Outdoor Installation (Anti-Pollution & Seismic Resistance)

I.Core Challenges in Outdoor InstallationIn high-voltage transmission and distribution systems, SF6 circuit breakers are exposed to complex outdoor environments for extended periods, facing the following critical issues:Pollution & Insulation DegradationDust, salt fog, and industrial pollutants in outdoor environments easily adhere to equipment surfaces. In coastal or industrial areas, pollution levels may reach Class IV, resulting in insufficient creepage distance and triggering flasho

05/12/2025

Reference Projects

Rockwill 2500kVA Step up Transformer Success in Namibia

01 General Overview: Namibia 20 MW PV Power Station Project1.1 Project BackgroundNamibia possesses some of the world’s best solar resources, with average Global Horizontal Irradiation (GHI) exceeding 2400 kWh/m². However, PV plants are often located in the central plateau and arid regions where the natural environment is extremely harsh. The project sites are situated at altitudes between 1500m and 2000m and exposed to IEC 60721-3-3 Class 3S4 environments (Severe Sand and Dust).In the

04/07/2026

Successful Case of 263 Units of 33kV Oil-immersed 32-step Voltage Regulator Controller Project in Bangladesh

Successful Case of 263 Units of 33kV Oil-immersed 32-step Voltage Regulator Controller Project in Bangladesh01 Overall Project Overview1.1 Project BackgroundIn June 2024, 263 units of 33kV oil-immersed 32-step voltage regulator controller were officially delivered and applied to the Bangladesh Medium Voltage Distribution Network Upgrade Project. R&D and manufactured by Rockwill, these devices are used for voltage stability regulation, load fluctuation adaptation and power supply quality impr

03/12/2026

Successful Case of 170 Sets of 11kV Automatic Recloser Project in Kenya

Against the backdrop of quality upgrading for Kenya’s urban and rural power grids, 11kV auto-reclosers deliver reliable performance to suit local climates and grid conditions. It enables rapid fault isolation and efficient operation and maintenance, forming a core safeguard for the upgrading of Kenya’s urban and rural distribution networks.01 Project Overview1.1 Project BackgroundIn May 2023, 170 sets of 11kV Automatic Reclosers (Model: RCW12M) were officially supplied and applied to

03/12/2026

Moments

Welcome to Rockwill Electric’s Compact Transformer Substation Workshop! Engineered for high efficiency, safety, and space-saving performance, these substations are built to meet the growing demands of modern power systems in both urban and industrial environments.

2025-04-21 15:21:23.0

Rockwill Electric is rapidly expanding its global footprint, with medium voltage solutions now deployed in over 100 countries. Our key offerings—including SF6 load break switches, indoor vacuum circuit breakers (VCB), ring main units (RMU), and smart automation systems—are designed for safety, reliability, and smart grid integration. With IEC/ANSI certification, compact designs, and full OEM/ODM support, Rockwill continues to deliver smarter, cleaner power to utilities and industries worldwide.

2025-04-12 08:03:52.0

News

Extreme-Cold Type Line Automatic Voltage Regulator Passes 3-Year Field Validation in Russia: Stable Operation at -45°C

MOSCOW, June 9, 2026—— Rockwill Electric today announced that its medium-voltage line automatic voltage regulator (AVR) has successfully completed over three years of field operation and validation by customers in Russia. The equipment maintained stable operation and remains in excellent condition under harsh environments reaching -45°C. This marks a substantial technical breakthrough for Rockwill in the field of power transmission and distribution equipment for ultra-cold region

2026-06-10

Rockwill has unveiled its latest Medium-Voltage (MV) Automatic Circuit Recloser, featuring smartphone app–based control with enterprise-grade security protocols Which powered by IEE Business!

Built on nearly 20 years of technological expertise, the new generation Rockwill medium-voltage automatic circuit recloser comes standard with smartphone connectivity and AI capabilities. It delivers smarter, more efficient, more convenient, and more reliable automatic line protection, monitoring, and control services to power asset owners worldwide.Physical photographs of automatic circuit recloser and Mobile APP field testRockwill will launch completely free software and professional AI techni

2026-06-06

Events and Activities

05/12/2025

Generac US Delegation Visit & Technical Discussion on Electrical Products

A delegation from Generac Holdings Inc. (NYSE: GNRC), a leading U.S. manufacturer of power generation and energy technology solutions, visited our facility. The meeting centered on potential collaboration for the North American market, with in-depth discussions on ANSI/IEEE-standard products such as electrical reclosers, voltage regulators, EV charging systems, and smart metering solutions. Technical requirements and certification processes were also addressed.

Jobs

Country Business Partners

Marketing Business channels build

Local market resources and sales ability: Rich customer resources, channel resources in a specific region, strong sales skills and performance achievement ability. Team building and management skills: Ability to recruit, train and manage local sales or operations teams. Entrepreneurship and ability to work under pressure: Willing to take risks, have a strong desire to make money and self-drive. Understanding and recognition of the platform/product: Deep understanding and belief in the product or business model being promoted. Certain financial strength (may be required): Sometimes a certain amount of start-up capital or security deposit is required. Basic management and operation skills.

Partners

Global Service Network

「Rockwill」 has solidified its leadership in the global power industry through a robust network encompassing 「0」Country representatives, 「0」 Branches/Offices, and strategic alliances with 「0」Exclusive distributors 「0」Regional distributors, and 「0」Bidding agents, complemented by 「1」Manufacturing partners, 「0」Technical service centers, 「0」Technical Partner, 「0」 Warehouses, and 「0」Local stores that ensure comprehensive market coverage and rapid technical response.

Brand Partner