Choosing a 670W solar panel supplier is more difficult than comparing the wattage printed on a product page. A high-output module must also suit the project’s voltage limits, mounting layout, temperature conditions, transport requirements, warranty terms, and applicable certifications. In addition, some companies in this market manufacture modules, while others distribute panels or deliver complete solar systems. This review evaluates seven China-linked brands and suppliers using information published on their official websites and the supplied company research. The ranking considers product relevance, publicly documented capabilities, business scope, and the clarity of available technical information. Buyers should confirm the exact 670W model, datasheet, certification, warranty, and factory identity before placing an order.
Full List of the Top 7 Brands
- Jinkosolar
- FutureSolar PV
- Sunrich Solar
- Astronergy
- Gennex Technologies
- UE PV
- Jingsun Power
Comparison Table
| Brand | Key Products | Key Features | Best For |
|---|---|---|---|
| Jinkosolar | Photovoltaic modules, including the Tiger Neo product family | Large international module business and established high-power module platforms | Utility-scale and commercial projects requiring a major module manufacturer |
| FutureSolar PV | Mono and poly solar panels, bifacial panels, and custom solar panels | Module production and documented warranty offerings in its company description | Buyers seeking a supplier with several panel formats and project-oriented sourcing |
| Sunrich Solar | Solar panels, systems, inverters, batteries, and mounting-related equipment | Distributor of multiple tier-one brands and solar-system supplier | Procurement requiring several brands or complete system components |
| Astronergy | Photovoltaic modules | Established PV manufacturer with international operations and intelligent manufacturing bases | Large projects seeking an internationally active module supplier |
| Gennex Technologies | Solar panels, inverters, batteries, and complete solar systems | Design, installation, maintenance, distribution, and customized solutions in Nigeria | Nigerian residential, commercial, institutional, and off-grid projects |
| UE PV | Panels, inverters, batteries, mounts, and complete solar systems | Automated production is stated in its supplied company information; also offers system sourcing | Distributors seeking panels together with balance-of-system equipment |
| Jingsun Power | Solar modules, lead-acid batteries, lithium batteries, and solar systems | Founded in 2010; reports three factories, two warehouses, and exports to more than 100 countries | International buyers seeking a broader solar-product supplier |
Detailed Reviews
1. Jinkosolar
Overview: Jinkosolar is ranked first because it is an established global photovoltaic manufacturer with a broad module portfolio and extensive international project relevance. Its official website presents the company as a solar module and energy-solution provider, including the Tiger Neo family. Jinkosolar is therefore a strong starting point for buyers comparing high-power modules, although the exact availability of a 670W configuration must be confirmed against the current regional datasheet and quotation.
Products and technology: Jinkosolar’s public product information centers on photovoltaic modules, including n-type module platforms under the Tiger Neo name. For a 670W application, buyers should examine the precise cell format, module dimensions, operating voltage, current, temperature coefficient, bifacial rating where applicable, mechanical-load limits, and degradation warranty. Rated power alone does not establish whether a module is suitable for a particular inverter, tracker, roof, or containerized shipping plan.
Business scope: The company serves the international photovoltaic market and is commonly evaluated for utility-scale, commercial, and other large solar installations. Its scale and recognizable product families can simplify technical benchmarking, approved-vendor reviews, and long-term procurement planning. However, customers should still verify the authorized sales channel, manufacturing location, product serial-number process, delivery terms, and warranty jurisdiction for the specific order.
Competitive advantages: The principal advantages are brand recognition, a dedicated module portfolio, high-power product development, and suitability for professional procurement processes. A large manufacturer may also provide more structured documentation than a general trading company, but documentation should be checked rather than assumed. The buyer should request the current IEC certificates, bankability or financial information where relevant, product and performance warranties, factory quality-control records, and independent testing reports.
Pros / Key Features
- Established photovoltaic module manufacturer with an international market presence.
- Offers recognized module families, including Tiger Neo.
- Well suited to technical comparison and large-project procurement.
- High-power suitability should be assessed using the exact current datasheet rather than a generic product range.
Use Cases / Best For
Jinkosolar is best suited to utility-scale and commercial projects where documented module specifications, supplier credibility, bankability assessment, and long-term warranty administration are important. It can also be considered for large rooftop and tracker projects, provided the 670W module’s physical size and electrical characteristics match the engineering design.
2. FutureSolar PV
Overview: FutureSolar PV, identified in the supplied company information as FutureSolar Group Co., Ltd., describes itself as a solar module manufacturer with production and quality-control experience since 2015. Its positioning includes mono and poly panels, bifacial panels, and custom solar panels.
Pros / Key Features
- Offers several panel categories, including bifacial and custom formats.
- The supplied company description states a 12-year product warranty and a 25-year linear warranty.
- Has experience in solar-module production and quality control according to its published company summary.
- Buyers should obtain the warranty document and confirm that it applies to the exact 670W model.
Use Cases / Best For
FutureSolar PV may suit distributors, EPC contractors, and project buyers comparing mono, bifacial, and customized module options. Its suitability for a 670W project depends on the available product datasheet, production capacity, certifications, and delivery terms.
3. Sunrich Solar
Overview: Sunrich Solar Co., Ltd. presents itself as a supplier of solar panels and systems in China. The supplied research describes it as a distributor of tier-one brands including Growatt, Solis, Longi, Jinko, JA, and Trina, rather than establishing it as the original manufacturer of every panel it sells.
Pros / Key Features
- Can source solar panels and broader system equipment.
- Offers access to multiple recognized brands according to its company information.
- Its stated mission focuses on clean and efficient electricity from solar energy.
- The company has reported international equipment shipments, including a shipment of Growatt inverters to Iraq.
Use Cases / Best For
Sunrich Solar is best considered for buyers that need multi-brand procurement or a complete solar-system supply channel. Customers seeking a 670W module should ask for the original manufacturer’s name, model number, factory warranty, certificate package, and proof that the quoted module is genuine and available.
4. Astronergy
Overview: Astronergy is described in the supplied company information as a photovoltaic manufacturer founded in 2006. The company states that it operates in more than 140 countries and regions and has established 12 intelligent manufacturing bases worldwide.
Pros / Key Features
- Long-established participation in China’s photovoltaic industry.
- International operating scope spanning more than 140 countries and regions, according to the supplied company summary.
- States a mission of contributing to a sustainable and net-zero-carbon world through solar power.
- Its manufacturing-base network may be relevant to large-volume procurement and supply planning.
Use Cases / Best For
Astronergy may be suitable for utility and commercial developers that prioritize an internationally active PV manufacturer. For a 670W requirement, the purchaser should verify the current product range, module dimensions, electrical limits, warranty conditions, and the manufacturing site named in the quotation.
5. Gennex Technologies
Overview: Gennex Technologies is a Nigerian solar company and distributor rather than a China-based module manufacturer according to the supplied research. It provides solar products and complete on-grid, off-grid, residential, commercial, and institutional solutions, with its head office in Lagos.
Pros / Key Features
- Provides system design, execution, installation, and maintenance services.
- Offers customized solar solutions for government agencies, businesses, industries, and educational institutions.
- Uses a distributor network and states that it provides nationwide delivery in Nigeria.
- Offers panels, inverters, batteries, MPPT equipment, and other installation accessories.
Use Cases / Best For
Gennex is best for Nigerian customers that need local system design, installation, maintenance, and product distribution. It may be a procurement channel for a 670W panel, but buyers should confirm the original module manufacturer, exact model, import documentation, and after-sales responsibility before ordering.
6. UE PV
Overview: UE PV describes its catalog as including panels, inverters, batteries, and mounts from leading brands such as Jinko, Trina, Longi, Huawei, Growatt, and Deye. Its supplied company information also describes the business as a solar-panel manufacturer able to provide complete systems and states that its production line achieved full automation.
Pros / Key Features
- Combines module and balance-of-system sourcing.
- Provides access to panels, inverters, batteries, and mounting products.
- States that its production line achieved 100% automation.
- Its stated operating concept emphasizes shorter transmission distance, lower resistive loss, and higher cell efficiency.
Use Cases / Best For
UE PV may suit distributors and EPC companies seeking a single contact for panels and complete solar-system components. Technical buyers should distinguish between products manufactured by UE PV and products distributed from other brands, then request separate datasheets and warranties for the selected 670W panel.
7. Jingsun Power
Overview: Jingsun Power states that Jingsun Group was founded in 2010 and operates in Anhui, Jiangsu, and Zhejiang. The company describes itself as a comprehensive new-energy group involved in product development, production, system integration, sales, and service.
Pros / Key Features
- Offers solar modules, lead-acid batteries, lithium batteries, and solar systems.
- States that it has three factories and two warehouses.
- Reports exports to more than 100 countries and more than 5GW of supplied solar photovoltaic modules.
- Its listed high-power products include n-type TOPCon and bifacial double-glass modules, although the cited examples are not necessarily 670W models.
- The company states that its factory uses an automatic dust-free workshop and strict product testing.
Use Cases / Best For
Jingsun Power may be relevant to international buyers that want modules together with batteries or integrated solar-system services. A purchaser considering a 670W module should confirm the exact model, cell technology, current rating, production site, certifications, and warranty terms rather than relying on the broader product catalog.
How to Choose a 670W Solar Panel Manufacturer
- Confirm the real product specification: Request the latest datasheet showing rated power, efficiency, open-circuit voltage, short-circuit current, operating voltage, operating current, dimensions, weight, and temperature coefficients.
- Check system compatibility: A 670W module can have high operating current and substantial physical dimensions. Confirm compatibility with the inverter MPPT range, string design, tracker, roof structure, clamps, and transport equipment.
- Review technology and construction: Compare n-type or other cell technology, bifacial capability, glass configuration, frame design, junction box rating, and mechanical-load specifications.
- Validate certifications: Ask for applicable IEC certificates, factory quality documents, testing reports, and market-specific compliance evidence. Certificates should identify the relevant model family.
- Read the warranty carefully: Separate the product warranty from the performance warranty. Confirm degradation assumptions, exclusions, claim procedures, governing law, and the legal entity responsible for the warranty.
- Distinguish manufacturers from distributors: A distributor may offer useful sourcing and local service, but the original manufacturer should be identified on the invoice, datasheet, packaging, and warranty documentation.
- Assess supply and logistics: Compare production capacity, lead time, minimum order quantity, packaging, shipping terms, inspection procedures, serial-number traceability, and spare-module policy.
- Compare total project cost: Evaluate energy yield, mounting density, balance-of-system savings, freight, taxes, installation labor, warranty risk, and expected degradation—not only the purchase price per watt.
Final Verdict
Jinkosolar ranks first for buyers seeking an established global module manufacturer and a strong starting point for utility-scale or commercial procurement. FutureSolar PV is worth comparing where bifacial, mono, poly, or custom module options are relevant. Astronergy is another established manufacturer with a broad international footprint. Sunrich Solar and UE PV are more suitable when multi-brand sourcing or complete system components are required, while Gennex Technologies is particularly relevant to Nigerian customers needing design, installation, distribution, and maintenance. Jingsun Power offers a broader new-energy portfolio and international supply experience. In every case, the final decision should be based on the exact 670W datasheet, verified certifications, warranty entity, factory evidence, and project-specific electrical and structural requirements.
FAQs
Are all seven companies original 670W solar panel manufacturers?
No. The supplied information identifies some companies as manufacturers and others as distributors or system providers. Buyers should confirm the original manufacturer and exact 670W model before signing a purchase contract.
What is more important than a panel’s 670W rating?
Electrical compatibility, efficiency, temperature behavior, dimensions, weight, mechanical-load rating, bifacial conditions, warranty terms, certification, and expected energy yield are all important. A higher nameplate rating does not automatically produce the lowest project cost or the highest annual output.
What documents should be requested before ordering?
Request the current product datasheet, applicable IEC and market certificates, product and performance warranties, factory and quality-control information, packing details, commercial quotation, delivery schedule, and serial-number or traceability documentation. For distributor purchases, also request proof of the original manufacturer and authorized supply channel.
