Reliable Solar Sourcing from China — Without Hidden Risks

Custom Solar Panels, Genuine Staubli MC4 Connectors

Lower MOQ, Verified Supply, Reliable Project Support

Practical Solar Sourcing Experience

Our team has extensive experience working with solar manufacturers, connector suppliers, and project buyers across different markets.

In real projects, we have seen common sourcing risks — from certified samples that differ from mass production to connector failures caused by improper crimping.

We focus on helping distributors, electrical wholesalers, and installers source reliable solar products from China with fewer surprises and more predictable results.

Our team has spent more than a decade working with solar manufacturers, connector suppliers, and international buyers, supporting sourcing and project supply for global PV applications.

We have supported more than 120 distributors, electrical wholesalers, and installation contractors worldwide in sourcing PV connectors and solar products.

Our clients also include application-focused buyers working on solar lighting, CCTV systems, LED devices, and traffic signal solutions, where customized modules are often required.

From module size adjustments to application-specific designs, we have delivered over 280 customized solar solutions for different installation environments and project needs.

Each year we supply more than 300,000 sets of PV connectors for solar installations, supporting reliable electrical connections in PV systems.

Solar Products forReliable PV Systems

Raye Energy supports solar projects with solar panels, PV connectors, PV cables, and PV optimizers, supplied based on real system requirements and installation conditions.

Solar Panel
Tailored Solutions, Maximum Efficiency
Staubli MC4 Connector
Small Part, Big Impact
PV Cable
Maximize Power, Minimize Losses
PV Optimizer
Strong Connections, Seamless Transmission

Standard solar modules do not fit every project.

Customized it based on your real demand
In many installations, we have seen situations where standard panel sizes create problems — limited roof space, unusual mounting structures, or system voltage requirements that standard modules cannot match.
In these cases, customized solar panels become necessary.
We work with manufacturers to adjust key specifications such as module dimensions, power range, and electrical parameters so the panels fit the actual installation environment.
This approach helps installers and EPC companies avoid layout compromises and ensures that the PV system performs as expected in real project conditions.

Staubli MC4 Connectors — Small but Critical

Small Parts, High Risk, Big Profit
Connectors may be small, but they are one of the most critical points in a PV system. From our experience, failures are often caused by poor crimping, incompatibility, or low-quality materials — leading to power loss or safety risks. In large systems, reliable connectors can help avoid losses of up to €2,670 per year per 1MW. That’s why we supply genuine Staubli MC4 connectors with full compatibility support.
Why Choose Raye Energy

Partner You Can Rely On

Verified Supply Chain

We work with selected manufacturers to ensure product authenticity, stable quality, and consistent supply.

Flexible Order Quantities

We support both small trial orders and larger project volumes, helping buyers manage purchasing risk.

Responsive Project Support

Our team communicates quickly, coordinates with factories, and ensures that orders move smoothly from confirmation to shipment.

More Resources from Raye Energy

Solar Tips
Customized Solutions 
Real project insights for better product selection
Price & MOQ
Save Your Total Cost
Transparent pricing and flexible order quantity
Service & Warranty
24/7 Enquiry Service
Responsive support with 5–10 years coverage
Industry Updates
Stay up to Date 
Updates on PV technology and market trends

Hear From Our Happy Clients

Our clients love working with us, just read what they say!

Things You Need to Know

Key Information Before You Place an Order.

Still have questions about your project? Contact our team — we’ll guide you step by step.

Are Your Solar Panels Customizable?

Yes. We support customized solar panels based on project requirements, including power range (50W–550W), module dimensions, and electrical parameters. This helps ensure compatibility with your installation environment and system design.

Are your Staubli MC4 Connectors Genuine?

Yes. We supply genuine Staubli MC4 connectors sourced through official manufacturer channels. All connectors are provided with relevant certifications to ensure product authenticity, safety, and compliance with international standards.

Do you offer free shipping of wholesale orders?

Shipping costs are calculated based on order volume, destination, and delivery method. We provide transparent shipping quotations in advance so you can clearly understand your total landed cost.

 

What If Products Are Damaged During Shipping?

All products are securely packaged before shipment to minimize risk. In the rare case of transport damage, our team will assist you in reviewing the issue and providing a suitable solution based on the situation.

What If My Order Is Delayed?

We coordinate closely with manufacturers to maintain stable delivery schedules. If any delay occurs, we will inform you in advance and provide updated timelines, so you can plan your project accordingly.

Get a Quote for Your Solar Project!

Share your requirements — we’ll recommend the right products for your system.

Clear pricing, fast response, and step-by-step support.

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@rayenrg.com”