Certified by multiple international standards, including: IATF 16949, ISO 3834, EN 15085, ISO 45001, ISO 14001, and ISO 9001.
With 26+ years of manufacturing experience, we serve customers in 36+ countries and provided over 20,000+ self-developed and customized products.
Both technical engineers and quality engineers have 20+ years of experience and will identify potential problems in a timely manner.
More than 36000㎡ manufacture area.Covers a wide range of manufacturing processes, enabling a high degree of customization.
Yi Hua specializes in custom sheet metal fabrication, electrical control cabinet manufacturing, and electrical panel assembly services for industrial equipment and automation system manufacturers. We provide integrated manufacturing solutions covering metal fabrication, electrical integration, and industrial assembly for OEM applications.
Our core sheet metal fabrication capabilities include CNC punching, laser cutting, bending, welding, riveting, surface finishing, and mechanical assembly. We manufacture a wide range of industrial products such as metal enclosures, welded frames, machine structures, and custom fabricated components for automation equipment, power systems, and industrial machinery.
In the field of electrical systems, we design and manufacture PLC control cabinets, power distribution cabinets, switchgear cabinets, low-voltage electrical cabinets, VFD/soft starter control cabinets, energy storage cabinets, and production line control systems. We also provide professional electrical panel assembly and wiring integration services based on customer schematics and technical requirements.
To support complete industrial manufacturing projects, we also offer CNC machining services for precision mechanical components and structural parts.
With advanced production equipment, experienced engineering teams, and strict quality control systems, Yi Hua delivers reliable quality, stable lead times, and flexible production for both prototype and mass production projects.
We are committed to providing efficient, cost-effective, and customized manufacturing solutions for global OEM customers in industrial automation, energy systems, transportation equipment, and intelligent manufacturing industries.
Yi Hua is a China-based manufacturing company focused on delivering reliable sheet metal fabrication and electrical control cabinet solutions for industrial applications.
We are not only a fabrication supplier, but also a manufacturing partner supporting OEM customers from engineering coordination to final assembly.
Our strength lies in combining precision metal processing with electrical integration capability, enabling us to support complete equipment builds rather than isolated components.
With a practical engineering approach and flexible production system, we help customers reduce assembly complexity, improve consistency, and accelerate project delivery.
Complete Manufacturing Process
Reliable Solutions
Rigorous Quality Control
Rapid Prototype
Professional Services
Lower Costs
Yi Hua operates three in-house production divisions covering sheet metal fabrication, electrical control cabinet assembly, and CNC machining.
Each division is equipped to support custom manufacturing based on customer drawings and technical requirements, serving a wide range of industrial and OEM applications.
Our production system is designed to handle both individual components and complete assemblies, providing flexible manufacturing support from prototype development to batch production.
Through structured workflows and coordinated engineering support, we ensure consistent quality, efficient project execution, and reliable delivery for different product categories.
We strictly control every processing step. We have a multitude of metalworks to offer; ranging from laser cutting, bending, punching, stamping and welding.
We have extensive experience in processing electrical control cabinets and a large number of professionals. We can provide you with after-sales service locally.
Our high-precision equipment, including 5-axis machining centers and turning-milling composite machines, can control part accuracy to within 0.003 mm
We’ve manufactured millions of parts for all sorts of applications, but we’re especially knowledgeable in these areas.
Telecom
Special Vehicles
Rail Train Locomotive
Wind Power
We provide outdoor electrical enclosures and control cabinet manufacturing services for telecom base stations, power distribution systems, and low-voltage/high-voltage electrical applications.
Typical products include:
· Outdoor telecom cabinets
· Electrical control cabinets
· Power distribution and protection enclosures
· Industrial electrical cabinets
These products are designed for harsh environments and feature high protection ratings, strong structural performance, and long-term operational stability.
We manufacture sheet metal structures and functional components for construction machinery, agricultural equipment, sanitation vehicles, and autonomous industrial vehicles.
Typical applications include:
· Combine harvester structural components
· Truck cargo boxes and vehicle body structures
· Metal structures for road sweeper vehicles
· Port transportation equipment and container structures
· AGV / AMR vehicles
· Shock absorption and mounting metal structures
We provide both structural parts and functional assemblies for various mobile equipment and heavy-duty industrial systems.
We provide sheet metal structures and functional assemblies for railway vehicles and onboard system equipment.
Typical products include:
· Complete seat systems including mechanical structures, control systems, and sliding mechanisms
· Ventilation duct systems
· Maintenance ladders and internal structural components
· Battery boxes
· Inverter and power electronics enclosures
· Sanding system containers
Our products are designed to meet the requirements of vibration resistance, operational safety, and long-term reliability in railway applications.
We manufacture electrical cabinets and structural enclosures for renewable energy and energy storage systems.
Typical applications include:
· Energy storage system cabinets (ESS enclosures)
· Wind power electrical control cabinets
· Power conversion system (PCS) enclosures
· Outdoor battery protection cabinets
· Auxiliary structural frames and mounting structures
These products are designed with high protection ratings (IP-rated designs), effective thermal management performance, and long-term outdoor operational reliability.
Yi Hua provides comprehensive sheet metal fabrication services for industrial equipment, electrical enclosures, transportation systems, and OEM manufacturing applications.
Our sheet metal fabrication capabilities include:
Cutting & Processing
· Fiber laser cutting
· CNC punching
· Metal cutting and blanking
Forming & Fabrication
· CNC bending
· Stamping and forming
· Riveting and fastening
· Structural fabrication
Welding & Assembly
· TIG welding
· MIG welding
· Spot welding
· Laser welding
· Mechanical assembly
Surface Finishing
· Powder coating
· Painting
· Galvanizing
· Surface pretreatment
We manufacture custom sheet metal products including industrial enclosures, structural frames, welded assemblies, equipment housings, and OEM metal components based on customer drawings and technical specifications.
Yi Hua provides electrical control cabinet manufacturing services for industrial automation, power distribution, transportation systems, and energy applications.
Our capabilities include:
· PLC control cabinet manufacturing
· Power distribution cabinet assembly
· Low-voltage electrical cabinets
· VFD and soft starter control cabinets
· Outdoor electrical enclosures
· Industrial control system cabinets
· Stainless steel electrical cabinets
· Customized electrical cabinet fabrication
We support complete cabinet production including sheet metal fabrication, internal component installation, panel layout integration, wiring support, and final assembly according to customer schematics and technical requirements.
Yi Hua provides professional electrical control panel assembly and wiring integration services for industrial equipment and automation systems.
Our panel assembly services include:
· Electrical component installation
· DIN rail and terminal installation
· Internal wiring and cable routing
· Control panel layout assembly
· PLC and electrical component integration
· Power distribution integration
· Cable marking and labeling
· Functional inspection and testing
We assemble electrical control panels according to customer electrical schematics, BOMs, and technical standards, ensuring reliable performance, clean wiring layout, and efficient system integration.
Yi Hua provides CNC machining services for precision mechanical parts, structural components, and industrial equipment applications.
Our machining capabilities include:
· CNC milling
· CNC turning
· Drilling and tapping
· Precision machining
· Machined structural components
· Custom mechanical parts manufacturing
We support customized machining projects for automation equipment, transportation systems, electrical equipment, and OEM industrial applications.
We will contact you within 1 working day, please pay attention to the email with the suffix “@qdyihuajidian.com”.
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