What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

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We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

100W 200W 300W 400W 450 500W 550W Solar Panel

Name: 100W 200W 300W 400W 450 500W 550W Solar Panel
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1948161282

Shandong, ChinaShandong Longguang Tianxu Solar Energy Co., Ltd.

US$0.17-0.20

100 Watt

Product profile

Customization

Available

After-sales Service

Yes

Warranty

25 Years

Model NO.

450w 500w 550w

Number of Cells

72pcs

Application

Industrial

Condition

New

Certification

ISO, CE, TUV

Material

Monocrystalline Silicon

Transport Package

Carton+Wooden Box+Pallet

Specification

2094*1038*35mm

Trademark

TIANXU OR OEM

Origin

China

HS Code

8541430000

Production Capacity

10000 Sets Per Week

Key features

High Module Efficiency: Achieves up to 21.28% efficiency under standard testing conditions.

Extended Warranty Coverage: Comes with a comprehensive 25-year warranty for long-term reliability.

Diverse Power Options: Available in 100W, 200W, 300W, 400W, 450W, 500W, and 550W models.

Industrial Grade Design: Specially designed for industrial, commercial, and centralized ground power plants.

Premium Material: Constructed using high-quality Monocrystalline Silicon cells.

Global Certifications: Certified by ISO, CE, TUV, and CQC for international safety and quality.

High Voltage System: Supports maximum system voltages of 1000V and 1500V.

Company profile

Shandong Longguang Tianxu Solar Energy Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2003-09-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShandong Longguang Tianxu Solar Energy Co., Ltd. is a China-based limited company established in 2002, with 406 employees and a large manufacturing site in Shandong. The supplier develops and manufactures solar water heaters, solar vacuum tubes, high-borosilicate glass tubes, heat pumps, photovoltaic products, and energy-storage systems. Evidence indicates substantial production infrastructure, including more than 10 production lines, 10 electric furnaces, 70 solar vacuum tube lines, and 3 solar water heater lines. It reports ISO9001:2015 and ISO14001:2015 certification, 72 R&D engineers, 50 quality-control staff, and cooperation involving Tsinghua-related organizations. Export activity is significant, with 71%–90% of sales reportedly from exports and markets including Southeast Asia and the Middle East. However, the provided information does not substantiate after-sales processes, customer case studies, customized manufacturing procedures, or financial reliability.

Supplier typeThe supplier is identified as a limited company based in Zhucheng, Weifang, Shandong, China, while one record categorizes it as a trade company. Its described activities and product range show substantial manufacturing involvement in solar thermal, glass, heat-pump, photovoltaic, and energy-storage products.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, along with other unspecified certifications. These explicitly support quality-management and environmental-management system credentials, although the unspecified certifications cannot be assessed further.

R&D capabilityThe supplier reports 72 R&D engineers, involvement with Beijing Tsinghua Industrial Development Institute and Beijing Tsinghua Solar Co., Ltd., advanced solar vacuum tube production lines, and work across solar heating, cooling, desalination, heat pumps, and photovoltaic systems. It also states that it drafted a national standard for 3.3 high-borosilicate glass, providing explicit evidence of R&D and technical-development capability.

Production capacityProduction capacity is supported by 406 employees, a 133,340 m² manufacturing plant, more than 10 production lines, 10 electric furnaces, 70 solar vacuum tube lines, and 3 solar water heater lines. The supplier also reports annual production of one million tons of high-borosilicate glass and 16 million solar vacuum tubes, plus lead times within 15 workdays in both off-peak and peak seasons.