OEM and ODM

GRANKIA (Est. 2008) is an ISO9001/ISO14001/TUV certified, world-class turnkey OEM/ODM manufacturer specializing in solar energy solutions (solar panels, inverters, charge controllers, and battery storage).

Providing end-to-end, highly flexible board-level and system-level customization from initial concept to mass production.

Transparent upfront pricing, stringent quality control, a global supply chain spanning Taiwan and China, and accelerated time-to-market with reduced manufacturing costs.

Comprehensive OEM & ODM Solutions

Since our founding in 2008, GRANKIA has established itself as an industry-leading OEM/ODM service provider. With extensive experience serving a diverse global clientele, we possess deep expertise in tailoring products to exact specifications.

As a highly versatile turnkey manufacturer, GRANKIA transforms your creative concepts and technical ideas into viable, industrial-grade computing and power solutions. We collaborate closely with individuals and enterprises at every stage of the design and manufacturing lifecycle, ensuring a focused and seamless transition from blueprint to finished product.

Why Choose GRANKIA for OEM & ODM Manufacturing?

GRANKIA is a highly versatile turnkey manufacturer capable of transforming innovative concepts into commercially successful energy solutions.

Our expertise covers:

• Solar Panels
• Lithium Battery
• Energy Storage Systems
• Solar Inverters
• Uninterruptible Power Supply (UPS)
• Residential ESS Solutions
• Commercial & Industrial Energy Storage Systems

Whether you are a startup developing a new product line or an established brand expanding your portfolio, our engineering and manufacturing teams support every stage of product development.

Our Advantages:

• End-to-End Product Development
• Customized Hardware & System Integration
• Flexible Manufacturing Capacity
• Global Supply Chain Support
• International Quality Certifications
• Fast Time-to-Market
• Competitive Production Costs

End-to-End OEM/ODM Service Workflow

Step 1: Product Concept & Requirement Analysis

The OEM/ODM process begins when customers provide:

• Product concepts
• Technical specifications
• Functional requirements
• Performance expectations
• Branding requirements

Our engineering team carefully evaluates project feasibility and recommends the most suitable technical solutions for market success.

What Customers Receive

• Technical consultation
• Feasibility assessment
• Initial design recommendations
• Manufacturing guidance

Step 2: Cost Evaluation & Project Planning

Before project initiation, GRANKIA provides a comprehensive project assessment that includes:

• Product design cost
• Engineering development cost
• Prototype manufacturing cost
• Tooling cost (if applicable)
• Estimated unit production cost

This transparent approach enables customers to make informed investment decisions before moving forward.

Step 3: Prototype Development & Validation

After approval of the project proposal, GRANKIA proceeds with prototype development.

• Verify product functionality
• Evaluate performance metrics
• Test system compatibility
• Confirm design requirements
• Optimize product reliability

Our team works closely with customers throughout the validation phase to ensure all original requirements are fully satisfied.

Step 4: Product Optimization & Final Approval

Customer feedback is integrated into the development cycle to refine the product before mass production.

• Electrical performance
• Structural design
• Safety protection
• Thermal management
• Battery management systems (BMS)
• User experience improvements

Production begins only after customer approval and successful completion of all validation procedures.

Step 5: Mass Production & Quality Assurance

GRANKIA maintains rigorous manufacturing standards across every production stage.

Quality Management System

As an internationally certified manufacturer, GRANKIA operates under:

• ISO9001 Quality Management System
• ISO14001 Environmental Management System
• TUV Certified Manufacturing Processes

Quality Control Procedures

• Incoming material inspection
• Production process monitoring
• Electrical performance testing
• Safety compliance verification
• Final product inspection
• Packaging verification

Every product undergoes multiple quality checkpoints before shipment.

Step 6: Global Distribution & Delivery

To ensure timely delivery and product availability worldwide, GRANKIA operates an international inventory management and distribution network.

• Coordinated inventory management
• Worldwide logistics support
• Efficient order tracking
• Stable production scheduling
• Reduced lead times

Our manufacturing and logistics resources across Taiwan and China enable responsive global delivery services.

Customized Solutions for the Solar Energy Industry

To meet evolving market demands, GRANKIA provides both board-level and system-level customization services.

Board-Level Customization

• PCB design modification
• Controller optimization
• Power electronics integration
• Communication protocol development

System-Level Customization

• Solar energy storage systems
• Residential ESS solutions
• Commercial energy storage systems
• Hybrid solar systems
• UPS systems
• Integrated inverter-battery solutions

Our engineering expertise allows customers to launch differentiated products that stand out in competitive renewable energy markets.

Benefits of Working with GRANKIA

Faster Product Development

Our disciplined project management approach significantly reduces development cycles without sacrificing quality.

Lower Manufacturing Costs

Efficient production processes and supply chain optimization help reduce overall project costs.

Flexible Customization

Every solution is tailored to specific market requirements and business goals.

Professional Engineering Support

Customers gain access to experienced engineers specializing in solar energy technologies and energy storage systems.

Long-Term Manufacturing Partnership

GRANKIA focuses on building sustainable partnerships that support business growth and market expansion.

Partner with GRANKIA Today

GRANKIA serves with professionalism, integrity, and dedication. We welcome opportunities to cooperate with companies seeking customized manufacturing solutions for:

• Solar Panels
• Energy Storage Batteries
• Solar Inverters
• Uninterruptible Power Supply (UPS)
• Integrated Renewable Energy Systems

Whether you require private-label manufacturing, custom engineering development, or complete turnkey production, GRANKIA is ready to support your business objectives.

Contact GRANKIA

Ready to develop your next solar energy product?

Our OEM/ODM specialists are available to discuss your project requirements and provide tailored manufacturing solutions.

Email: sales@GRANKIA.com

Partner with GRANKIA and accelerate your success in the global renewable energy industry.