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Vcauumed Tubes for Solar Water Heater
Negotiable
5,000 Pieces
Product profile
Customization
AvailableCondition
NewType
Common Vacuum TubeModel NO.
58*1800Application
Water HeaterPipe Material
GlassPressurized
Non-PressureTransport Package
CartonSpecification
58*1800Trademark
Tianxu or OEMOrigin
ChinaHS Code
7020000Production Capacity
50000pieces/YearKey features
Large Scale Manufacturing: Over 16 million annual output with 70 production lines for consistent supply.
Global Export Experience: Exported to Vietnam, India, Mexico, etc., with 600 containers yearly.
Comprehensive Certifications: Holds ISO, CCC, CECP, and Golden Sun certificates for quality assurance.
OEM/ODM Support: Customization services available for tailored solar tube solutions.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.
Company profile

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.
Product Q&A
Q:What is the absorptivity of the coating?
A:
The aluminum nitride sputter coating has an absorptivity range of 0.93 to 0.96.
Q:What material is used for the vacuum tubes?
A:
The tubes are made of high borosilicate 3.3 glass with a double-deck co-axial structure.
Q:Are OEM and ODM services available?
A:
Yes, we provide both OEM and ODM services to meet specific customer requirements.
Q:What is the average lead time for orders?
A:
The average lead time is within 15 workdays, regardless of peak or off-season.
Q:What certifications do the products hold?
A:
Products are certified with ISO, CCC, CECP, and Golden Sun certificates.
Send Inquiry
*To:
Shandong Longguang Tianxu Solar Energy Co., Ltd.
Shandong Longguang Tianxu Solar Energy Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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