Rongkai solar solution with rooftop PV, inverters and commercial battery storage

We are a solar power system supplier based in China

Solar panels, inverters, and energy storage batteries are our core products—we can handle both residential and commercial projects!

Solutions by operating requirement

Solutions shaped by the way energy is used

Start with the operating requirement—backup, daily self-consumption, variable commercial loads or remote power—then define the PV, inverter, storage and BOS scope around it.

01

Residential Solar + Essential Backup

For homes, villas and installers that want solar generation plus a clearly defined backup circuit—not an assumed whole-home system.

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02

Commercial Solar + Storage Hybrid

For sites where PV alone is not enough: clarify the role of storage, existing generators and priority loads before choosing equipment.

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03

Remote Microgrid + Hybrid Power

For remote and limited-grid sites that need a practical operating plan for PV, battery, generator support and priority loads.

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Selected solution contexts

Selected solution contexts

Client identities and detailed project records are limited. These published records show the operating context, system scope and coordination questions that can be shared.

Buyer guides & company updates

Procurement guidance for solar equipment buyers

Practical articles on choosing products, matching TOPCon, storage, and inverters, checking documents, and planning export orders.

RFQ essentials

Questions to settle before you place an order

A complete RFQ lets the equipment, documents, packing, and delivery plan be reviewed together rather than as separate issues.

Read all buyer FAQs
What should I include in a multi-product solar RFQ?
Include the destination, intended application, exact models or operating goals, quantities, requested documents, delivery target, and any packing or project-phasing constraints. If local engineering is involved, share the relevant design inputs too.
Can PV modules, inverters, and batteries be reviewed together?
Yes. A combined equipment list makes it easier to check interfaces, model references, and the order boundary. Final electrical design, local code compliance, and site-specific engineering should be confirmed by the responsible qualified party.
How should I check certificates and export documents?
Ask for files that identify the exact product model and revision, then compare them with the quotation and purchase order. Battery transport documents, packing information, and destination-specific requirements should be reviewed with the freight forwarder and local importer where applicable.
How do mixed loads and phased delivery need to be planned?
Agree the delivery sequence, receiving constraints, container mix, labels, battery handling, and Incoterms® before booking. The carrier, forwarder, and importer should confirm route-specific requirements and final responsibilities.

Start with your solar project, not a product list

Share the application, energy objective, destination and delivery timeline. We will help clarify the system scope before you move into model selection or a formal RFQ.

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