9 USA 
7 Vietnam 
4 China 
1 Ireland 
1 Germany 
Ring Main Unit Manufacturer - China
price: 1.00 Dollar US$
Manufacturing Capability & Quality Assurance
As a ring main unit manufacturer, we operate an ISO-certified production line with dedicated assembly, testing and environmental chambers.
Our in-house capabilities include: 1 - Industry-Leading R&D Capability The first domestic enterprise to complete R&D, network access testing, and batch supply of *standardized & customized RMU* (SF6 gas-insulated, solid-insulated, air-insulated, outdoor type).
2 - CNAS-Accredited Laboratory In-house lab certified by CNAS (China National Accreditation Service for Conformity Assessment) – conducts full-range tests (insulation performance, mechanical life, environmental resistance) to ensure product quality.
3 - Smart Quality Control System Equipped with a "smart quality control brain" to monitor the entire manufacturing process (from raw materials to finished products), ensuring consistent quality across batches.
4 - Mature Mass Production Capacity Stable supply chain & automated production lines, supporting batch orders for 12kV/24kV/40.5kV RMU, meeting urgent project timelines.
Company Contact:
- Phone: 13291882665
- Address: Xuexi South Road, Gaohong Town, Lin'an District, Hangzhou, Hangzhou , Hangzhou , China
- Email:
- Website: https://en.jhkdq.com/
Published date: January 3, 2026
- Business Description: Zhejiang Juhonkia Intelligent Electric Co., Ltd. was established in January 2014 - It is a wholly-owned enterprise of the world's top 500 enterprises Zhejiang Transportation Investment Group - Zhejiang Economic Construction Investment Co., Ltd. focuses on power transformation and distribution at 220kV and below.
Primary and secondary equipment, a mixed-ownership high-tech enterprise specializing in the R&D, production and sales of complete sets of intelligent electrical switchgear and its supporting components.
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