What is the lead time for orders?

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

What is the inverter's main feature?

It is a pure sine wave inverter with built-in MPPT and auto restart.

A Grade Solar System 10kw 350W Solar Panels for Home Electricity

Name: A Grade Solar System 10kw 350W Solar Panels for Home Electricity
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1976891662

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

US$90.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provided

Warranty

15 Years

Condition

New

Certification

CB, CE

Application

Home, Industrial, Commercial

Specification

Normal

Transport Package

Carton Box

Trademark

Tianxu or OEM

Origin

China

Key features

15-Year Warranty: Comprehensive 15-year warranty coverage for peace of mind.

High Efficiency Cells: Half Cell MONO/POLY with 0~+5W positive power tolerance.

Advanced Technology: Features Perc/Hjt/All Black/Frameless tech options.

Pure Sine Wave Inverter: 600W inverter with built-in MPPT and auto restart.

Customizable Options: ODM and OEM services available for tailored solutions.

Complete Kit: Includes panels, inverter, cables, connectors, and tools.

Dual Inspection: 100% EL double-inspection ensures defect-free modules.

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.