Powered by Made-in-China.com

Three Layers Vacuum Tube for Water Heater
Negotiable
5,000 Pieces
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
1 YearsModel NO.
58*2100mmCondition
NewType
Common Vacuum TubeCertification
ISO, CEApplication
Water Heater, Solar ThermalPipe Material
GlassPressurized
Non-PressureTransport Package
CartonsSpecification
58*2100mmTrademark
Tianxu or OEMOrigin
ChinaHS Code
8419Production Capacity
500000 Pieces/MonthKey features
High Borosilicate 3.3 Glass: Constructed with durable borosilicate 3.3 glass for superior thermal resistance.
Advanced Sputter Coating: Features Cu/SS-AIN(H)/SS-AIN(L) coating with 0.93-0.96 absorptivity and low emittance.
Proven Manufacturing Capacity: Largest base with 16 million annual output and 70 production lines.
Global Export Experience: Serving top brands in Vietnam, India, Mexico, and more with 600 containers yearly.
Comprehensive Certifications: ISO, CE, and CCC certified for quality and safety compliance.
Strong R&D Team: 72 dedicated engineers supporting continuous product innovation.
Flexible OEM/ODM Services: Full customization support available for manufacturing partners.
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 product?
A:
We provide a 1-year warranty for this product.
Q:What material is used for the vacuum tube?
A:
The tube is made of high borosilicate 3.3 glass.
Q:What are the dimensions of the vacuum tube?
A:
The tube length is 1800mm, outer diameter is 58mm, and inner diameter is 47mm.
Q:Is the product suitable for pressurized systems?
A:
No, this product is designed for non-pressure applications.
Q:What is the absorptivity rate of the coating?
A:
The absorptivity ranges from 0.93 to 0.96.
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
58/1800 Solar Heat Pipe Vacuum Tube for Solar Water Heater Parts
US$7.00-7.50
100 Pieces(MOQ)
All-Glass Tri-Element Vacuum Tube for Solar Water Heater
US$1.70-2.10
6,000 Pieces(MOQ)
Three Target Solar Glass Vacuum Glass Tubes for Solar Water Heater, Solar Water Heater Parts
Negotiable
5,000 Pieces(MOQ)
Solar Water Heater Collector Accessories for Solar Vacuum Tube58*1800
Negotiable
5,000 Pieces(MOQ)
58X1800mm 3 Layer Solar Geyser Vacuum Tube
US$1.70-2.10
6,000 Pieces(MOQ)
58*1800mm Solar Vacuum Tubes for Non-Pressure Solar Water Heaters
Negotiable
5,000 Pieces(MOQ)
Evacuated Solar Vacuum Tubes for Solar Water Heaters
Negotiable
5,000 Pieces(MOQ)
Solar Water Heater Vacuum Tube
US$7.00-7.50
100 Pieces(MOQ)
All Glass Double Ends Open Evacuated Tube for Solar Air Heater Collector
US$9.00-19.00
100 Pieces(MOQ)
All Glass Three Target Vacuum Tube
US$2.50-5.00
3,125 Pieces(MOQ)
Heat-Pipe Tube for Pressure Solar System (INLIGHT-V)
US$7.00-10.00
1,000 Pieces(MOQ)
Solar Water Heater Tube
US$2.20-4.00
100 Pieces(MOQ)
Solar Water Heater Tubes
US$2.20-4.00
100 Pieces(MOQ)
Open at Both Ends Double Layers Glass Solar Vacuum Tube Used for Air Heating
US$9.00-19.00
100 Pieces(MOQ)
Solar Water Hater Parts Tri-Element Solar Vacuum Tube
US$1.70-2.10
6,000 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)
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)
47X1500mm Evacuated Tube 58X1800mm Solar Vacuum Tube
US$1.70-2.10
6,000 Pieces(MOQ)
Two Meters Long 25 Years Lifespan Glass to Steel Hce Receiver Solar Vacuum Tube
US$129.00-189.00
6 Pieces(MOQ)



















