Solar Photovoltaic Professional Manufacturer

About Us

Sunket has rich experience in solar photovoltaic systems. These systems can be applied to large-scale optical solar energy storage, home energy storage projects, optical storage and charging integration, etc.


We are a Solar Photovoltaic Manufacturer started in 2007.

Wuxi Sunket New Energy Technology Co., Ltd. was founded in 2007, It is a high-tech enterprise invested by Delin Holding Group. Sunket designs, manufactures and sells solar panels, solar cells, and energy storage batteries. Sunket covers an area of 150,000 square meters.
We have the world’s most advanced automated production lines and testing equipment. Our solar panel capacity is 2GW per year. We have been approved by many international and domestic authoritative certifications, such as ISO, TUV, CSA, CEC, IEC, CE, INMETRO, RETIE, JP-AC, DEWA, MCS, and CQC Solar Product Certificates. We also provide customized product service, which has won compliments from clients around the world.
Our Story

We're proud to help build solar around the world.

Sunket has always adhered to the corporate tenet of “green technology, leading the future”, adhered to the enterprise spirit of “integrity, pragmatism, teamwork, and innovation”, and provided customers with high-quality, high-performance photovoltaic products.

Our products are exported to Europe, Southeast Asia, the Middle East, Africa, South America, and other countries and regions. We are committed to becoming a diversified, large-scale, and international professional green energy supplier, providing one-stop services and solutions for global customers in the field of solar photovoltaic.


We can provide all products involved in the solar photovoltaic systems.

400W-600W Automatic Intelligent Solar Panels Production Line​
400W-600W Automatic Solar Panels Production Line

Sunket 400W-600W Automatic Intelligent Solar Panels Factory is our largest production center. The products are half-cell solar panels of 166mm and 182mm. They are used in Residential Solar Projects, Commercial Solar Projects, and Utility Solar Projects. Sunket 410W Solar Panel and All-black 405W Solar Panel are used for household use. Sunket 540W Solar Panels is used for ground power stations.

5W-400W Customized Small Solar Panels Production Line​
5W-400W Customized Small Solar Panels Production Line

Sunket 5W-400W Customized Small Solar Panels Factory is our customized production center. The production products cover a wide range of fields. Including solar street lights, solar water pumps, RVs, marine aquaculture, monitoring, etc.

PV Inverter Production Line

Sunket PV Inverter Production Line is mainly used to produce 3-8KW Hybrid Inverter, 4-12KW Hybrid Inverter and 1-3.3KW On-Grid Inverter. These products meet most scenarios in Residential, Commercial, and Utility.

Lithium Battery Energy Storage Production Line

Sunket Lithium Battery Energy Storage Products Factory is used to manufacture energy storage batteries. It produces Low Voltage Energy Storage LFP 5-10kWh / LV and Low Voltage Energy Storage LFP2400/LFP5000. They are used in household use.


Sunket’s production equipment is advanced and highly automated.

ATW Automatic Welding Machine

ATW Automatic Welding Machine

● Realize grid line’s mass production
● Guarantee the precision of the welding
● Improve the production efficiency
● Make sure the quality of the product
● Production process monitoring
● Adopt MES production management system

Automatic Laminator

Adopt PLC automatic human intelligent control, PID temperature control of high precision, parameter display intuitive, strong compatibility, high efficiency, and yield.

Automatic Laminator
EL Detector

EL Detector

Automatically and quickly distinguish solar panel defects such as fragments, cracks, black edges, etc. high image clarity, fast detection efficiency, and guaranteed finished product quality.

Breakdown Voltage Test

The Breakdown Voltage Test occupies an important position in the test sequence of the solar panel, which can effectively evaluate the safety performance of the solar panel in operation.

Breakdown Voltage Test
Flash Testing

Flash Testing

Detect electrical performance parameters and output power of solar panels. Guarantee the quality of each solar panel.


Focus on the photovoltaic field for 15 years.

16 Years​

Manufacturing experience

30 GW+

Cumulative shipments

20 Pieces

Product Certificates

100 countries+

Business across the globe


From Manufacturing to Intelligent Factory.

Automatic Manufacturing​

Sunket solar panel factory can work for various advanced technology production requirements. The annual production capacity of solar panels has reached 2GW.

Mainstream Technology​

Sunket new production line is compatible with multi-busbar cells of various sizes from 166 to 182 mm and has room for upgrades of 210 mm super-sized cells. We have HJT, TOPCon, and BIPV production lines, covering all mainstream product technologies on the market.

Rigorous Control​

Rigorous Control​

Sunket always insists on using top reliable materials and superior advanced manufacturing processes to produce Class A solar panels.
Each solar panel will undergo 52 product quality inspections, and all solar panels will be tested twice by the industry’s most advanced EL testing equipment.

Warranty Management​

12-year product warranty

25-year performance warranty

30-year for double glass products


Sunket is fully certified by professional third-party testing organizations. We have ISO, TUV, CSA, CEC, IEC, CE, INMETRO, RETIE, JP-AC, DEWA, MCS, and CQC Solar Product Certificates.


Contact us by email to get the download.

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Frequently Asked Questions

We are a professional manufacturer of solar panels with many years of experience. Our factory and business office are located in Wuxi, China. We have established a European warehouse in Rotterdam, the Netherlands.

We can provide solar panels, solar inverters, lithium batteries, and solar energy systems.

Sunket is a professional factory leader in the PV industry, we offer solar photovoltaic system one-stop services with competitive prices and fast delivery time and we insure our quality is second to none.

  • Higher power generation
  • Competitive price
  • High quality standard
  • Customized service

Contact us by email or click here, and inform us which product and quantity you need, we will contact you immediately. More specify the information that you provided faster and easier you will get the quotation.

Solar panel & Lithium battery: ONE Pallet.

Solar photovoltaic system: ONE Set.

Yes, we do OEM. Welcome partner from globally, we can make your product in China/Vietnam.

Send us your address, your telephone number, postcode, and express account number to our mailbox, and also told us which model of samples you need. Our sales team will contact you within 24 hours.

Accepted Delivery Terms: FOB, CIF, EXW, FAS, CIP, FCA, DDP, DDU.

Accepted Payment Currency: USD, EUR, CNY.

Accepted Payment Type: T/T, L/C, PayPal, Western Union, Cash.

The common products we always have the stock, it can be sent out within 15 days. Buy European warehouse spot goods in Europe, you can receive the goods within 1 week at the earliest. While the big order takes 45 days to finish production.

Please click here or contact our sales manager on Trade Manage online, thanks.

Please click here to send your questions to us. Thank you.

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