Powered by Made-in-China.com

3000W 300L Solar Water Heating System
US$10.00-18.00
5 Meters
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
5 YearsCondition
NewType
Double Vacuum Heating TubeCertification
ISOApplication
Water Heater, Air Conditioning SystemPipe Material
GlassPressurized
PressurizedTrademark
TianxuOrigin
WeifangProduction Capacity
50000pieces/YearKey features
20-Year Working Life: Designed for long-term durability with a guaranteed working life of at least 20 years.
5-Year Warranty: Comprehensive 5-year warranty coverage provided for the solar water heating system.
High Efficiency Heat Transfer: U-shaped copper pipes with aluminum fins ensure rapid heat transfer and higher temperatures.
Advanced Insulation: Uses high and constant pressure polyurethane foaming for outstanding thermal insulation quality.
Corrosion and Leak Proof: Closed copper pipe circulation system prevents corrosion, leaking, scaling, and tube breakages.
OEM/ODM Services: Full OEM and ODM customization services available for tailored manufacturing needs.
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 warranty period for this system?
A:
We provide a 5-year warranty for the solar water heating system.
Q:How long is the expected working life of the collector?
A:
The system is designed for a working life of at least 20 years.
Q:Does the product support OEM and ODM customization?
A:
Yes, both OEM and ODM services are available for this product.
Q:What is the absorption efficiency of the vacuum tubes?
A:
The tubes feature a triple layer selective absorber coating with an absorption efficiency of at least 92.5%.
Q:What is the lead time for production?
A:
The average lead time is within 15 workdays for both peak and off-peak seasons.
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
You may also like
All-Glass Tri-Element Vacuum Tube for Solar Water Heater
US$1.70-2.10
6,000 Pieces(MOQ)
50*1800mm Vacuum Tubes for Solar Water Heater
Negotiable
5,000 Pieces(MOQ)
Evacuated Tube Solar Collector Vacuum Tube Solar Solar Water Heater Accessories
Negotiable
5,000 Pieces(MOQ)
125mm Diameter Solar Vacuum Tube
US$25.00-27.00
200 Pieces(MOQ)
Evacuated Solar Vacuum Tubes for Solar Water Heaters
Negotiable
5,000 Pieces(MOQ)
Three Target Solar Glass Vacuum Glass Tubes for Solar Water Heater, Solar Water Heater Parts
Negotiable
5,000 Pieces(MOQ)
Big Size Solar Vacuum Tube
US$18.00-20.00
100 Pieces(MOQ)
47X1500mm Evacuated Tube 58X1800mm Solar Vacuum Tube
US$1.70-2.10
6,000 Pieces(MOQ)
58/1800 Solar Heat Pipe Vacuum Tube for Solar Water Heater Parts
US$7.00-7.50
100 Pieces(MOQ)
Solar Vacuum Tube 47/1500
US$2.20-4.00
100 Pieces(MOQ)
Two Meters Long 25 Years Lifespan Glass to Steel Hce Receiver Solar Vacuum Tube
US$129.00-189.00
6 Pieces(MOQ)
58X1800mm 3 Layer Solar Geyser Vacuum Tube
US$1.70-2.10
6,000 Pieces(MOQ)
Open at Both Ends Double Layers Glass Solar Vacuum Tube Used for Air Heating
US$9.00-19.00
100 Pieces(MOQ)
58X1800mm Heat Pipe Solar Vacuum Tube
US$5.00-8.00
1,000 Pieces(MOQ)
Heat-Pipe Tube for Pressure Solar System (INLIGHT-V)
US$7.00-10.00
1,000 Pieces(MOQ)
2 Sides Open 1.8 Meters Long Double Glass Evacuated Tube for Solar Air Collector
US$9.00-19.00
100 Pieces(MOQ)
Swimming Pool Vacuum Tube Solar Collector 58*1800 Type Thermal Tube or Solar Collector
US$6.00-7.50
500 Sets(MOQ)
All Glass Three Target Vacuum Tube
US$2.50-5.00
3,125 Pieces(MOQ)
High Efficiency All Glass Solar Vacuum Tube for Solar Water Heater System
US$1.50-1.80
1,000 Sets(MOQ)
70*1900three Target Schmv Solar Tube for Solar Water Heater (IPRB)
US$25.00
1,000 Pieces(MOQ)



















