Power Distribution Equipment Built for Global Projects
Medium Voltage, Low Voltage, Solar and Customized Electrical Solutions from a China-Based Manufacturerc
Factory-Direct Manufacturing
OEM/ODM Customization
3.6kV–40.5kV MV Project Support
Export-Ready Supply
Find the Right Electrical Equipment for Your Project
Start with your voltage level, product type, application, or customization requirement. JOST categories help buyers identify the most relevant equipment before technical review.
Power Distribution Solutions Built Around Your System
JOST products can be coordinated across voltage levels and installation stages to support complete distribution systems. Equipment selection is based on project voltage, network structure, transformer capacity, load requirements, installation environment, and applicable standards.
High and Medium Voltage Distribution
Switchgear, ring main units, cable branch boxes, transformers, and substations for utility networks, industrial facilities, and distribution projects.
Low Voltage Distribution and Control
Low voltage switchgear, power distribution cabinets, compensation systems, distribution boxes, and control panels for industrial and commercial facilities.
Transformer and Substation Solutions
Oil immersed transformers, dry type transformers, prefabricated substations, and connected switchgear equipment for transformation and distribution projects.
Solar and Renewable Energy Distribution
PV combiner boxes, AC/DC distribution cabinets, grid-connected cabinets, photovoltaic substations, and monitoring systems for renewable energy projects.
A China-Based Manufacturing Partner for Global Power Distribution Projects
JOST is the overseas brand of Fujian Yi’anju Electrical Equipment Co., Ltd., a China-based manufacturer of electrical distribution equipment. Established for international business development in 2018, JOST connects engineering capability, manufacturing strength, and export-oriented service to support customers in global power distribution markets.
We work with contractors, project developers, utility-related customers, industrial operators, distributors, wholesalers, and OEM partners who require dependable electrical equipment and practical long-term supply support.
OEM/ODM Electrical Equipment for Global Partners
JOST supports OEM, ODM and project-based customization for distributors, EPC contractors, electrical brands and global power equipment partners. Customization can include electrical ratings, cabinet structure, transformer configuration, enclosure design, selected components, branding, nameplates, labels, documents, packaging and delivery requirements.
Included Service Items
- Technical requirement review
- Product selection and configuration suggestion
- Custom voltage and capacity options
- Enclosure and cabinet configuration
- Logo, nameplate and packaging support
- Quality inspection before delivery
- Product documents and test reports
- Packing and shipment coordination
01
Electrical Parameters
Voltage, capacity, frequency, impedance, insulation level and cooling method can be reviewed for the required application.
02
Product Structure & Enclosure
03
Branding & Appearance
04
Packing & Delivery
Power Systems Built Around the Application
From utility distribution and renewable energy to industrial operations and critical infrastructure, JOST equipment is configured around application-specific operating demands.
Reliable Infrastructure for Transmission & Distribution
Transformer and substation systems designed around voltage class, capacity, installation environment and project requirements.
Grid-Ready Systems for Renewable Energy
Continuity for Critical Infrastructure
Reliable Infrastructure for Transmission & Distribution
Transformer and substation systems designed around voltage class, capacity, installation environment and project requirements.
Heavy-Duty Distribution for Mining Operations
Reliable Infrastructure for Transmission & Distribution
Transformer and substation systems designed around voltage class, capacity, installation environment and project requirements.