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JUSTSOLAR — Solar Module Manufacturer
Direct from Manufacturer — No Middlemen

Buy Solar Panels
Wholesale from Factory

JUSTSOLAR manufactures N-type TOPCon and HJT bifacial solar modules at our own 2GW production facility. Buy container quantities at factory-direct pricing with full certifications and quality guarantee.

600W
TOPCon 600W
22.6% efficiency · 720/40HQ
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640W
TOPCon 640W
23.1% efficiency · 720/40HQ
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730W
TOPCon 730W
23.5% efficiency · 612/40HQ
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730W
HJT 730W
23.8% efficiency · 612/40HQ
View Specs →
465W
TOPCon 465W Black Frame
22.1% efficiency · 930/40HQ
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540W
TOPCon 540W
21.5% efficiency · 780/40HQ
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740W
HJT 740W
22.8% efficiency · 612/40HQ
View Specs →

Why Buy Wholesale from JUSTSOLAR?

We are a manufacturer, not a trader. Every module is produced in our own factory with full quality control from wafer to finished product.

Factory Direct Pricing

No middlemen. Buy directly from our 2GW production facility in China. Best $/W pricing for container quantities.

Full Container Loads

720 modules per 40HQ (600W/640W) or 612 per 40HQ (730W). Optimized packaging with wooden crates and foam protection.

PI-Confirmed Payment Terms

Formal PI controls payment terms. New buyers typically use 100% T/T before shipment; exceptions require Frank's written approval.

All Certifications Included

TUV, IEC 61215, IEC 61730, CE, ISO 9001, MCS. Full documentation for customs clearance in any market.

Quality Guaranteed

100% EL testing on every pallet. Flash test reports with every container. Third-party inspection (SGS, TUV) welcome.

Global Shipping

FOB Shanghai, CFR, or CIF terms. All Risk cargo insurance included. Under 1.2% damage rate. 25-45 day ocean freight.

Available for Wholesale

JUSTSOLAR TOPCon 600WTOPCon N-Type SeriesOEM-ready
JUSTSOLAR600W

JUSTSOLAR TOPCon 600W

N-type TOPCon bifacial mono module. Best-selling for commercial and utility projects.

Eff: 22.6%Warranty: 25yr40HQ: 720pcs
TUVIEC 61215IEC 61730CE+2
View DetailsPDF
JUSTSOLAR TOPCon 640WTOPCon N-Type SeriesOEM-ready
JUSTSOLAR640W

JUSTSOLAR TOPCon 640W

High-power N-type TOPCon bifacial module with G12 wafer. For large-scale ground-mount projects.

Eff: 23.1%Warranty: 25yr40HQ: 720pcs
TUVIEC 61215IEC 61730CE+2
View DetailsPDF
JUSTSOLAR TOPCon 730WTOPCon N-Type SeriesOEM-ready
JUSTSOLAR730W

JUSTSOLAR TOPCon 730W

Ultra-high power N-type TOPCon bifacial module. Maximum power density for utility-scale solar farms.

Eff: 23.5%Warranty: 25yr40HQ: 612pcs
TUVIEC 61215IEC 61730CE+2
View DetailsPDF
JUSTSOLAR HJT 730WHJT Heterojunction SeriesOEM-ready
JUSTSOLAR730W

JUSTSOLAR HJT 730W

Premium HJT heterojunction bifacial module. Superior temperature coefficient for hot climates.

Eff: 23.8%Warranty: 25yr40HQ: 612pcs
TUVIEC 61215IEC 61730CE+1
View DetailsPDF
JUSTSOLAR TOPCon 465W Black FrameResidential Black Frame SeriesOEM-ready
JUSTSOLAR465W

JUSTSOLAR TOPCon 465W Black Frame

Premium black-frame N-type TOPCon for residential and high-end C&I rooftops. All-black aesthetic, high efficiency.

Eff: 22.1%Warranty: 25yr40HQ: 930pcs
TUVIEC 61215IEC 61730CE+1
View DetailsPDF
JUSTSOLAR TOPCon 540WTOPCon N-Type SeriesOEM-ready
JUSTSOLAR540W

JUSTSOLAR TOPCon 540W

Mid-size N-type TOPCon bifacial module. Balanced choice for commercial rooftops with layout constraints.

Eff: 21.5%Warranty: 25yr40HQ: 780pcs
TUVIEC 61215IEC 61730CE+1
View DetailsPDF
JUSTSOLAR HJT 740WHJT Heterojunction SeriesOEM-ready
JUSTSOLAR740W

JUSTSOLAR HJT 740W

Flagship HJT heterojunction module. Highest efficiency + best hot-climate performance in our lineup.

Eff: 22.8%Warranty: 25yr40HQ: 612pcs
TUVIEC 61215IEC 61730CE+1
View DetailsPDF

How to Order Wholesale

1

Inquire

Send your requirements via WhatsApp or email. Tell us: module type, quantity, destination port.

2

Quote

Receive a detailed quote within hours. FOB/CFR/CIF pricing with container optimization.

3

Confirm

Confirm the PI terms in writing. We begin production and provide timeline updates.

4

Ship

EL test + flash reports provided. Container shipped with All Risk insurance. Track in real time.

Ready to Order?

Contact Frank directly for wholesale pricing. We respond within hours, not days.