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Vacuum Direct-Plug Low Pessure Solar Energy Water Heater
US$70.00-300.00
1 Set
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
3 YearsModel NO.
TX-NP-100LMax. Capacity
>200LStructure
Compact TypePressure
UnpressurizedInterior Material
Stainless SteelCollector Components
Glass Vacuum TubeComposition
CollectorCertification
ISO9001, CCCTransport Package
CartonsSpecification
100LTrademark
Tianxu or OEMOrigin
ChinaHS Code
841919Production Capacity
100000 Sets/MonthKey features
Cost-Effective Solution: Provides an affordable residential hot water system with short amortization rate.
High Energy Efficiency: High energy yield and low heat loss due to high vacuum tubes and PU insulation.
Durable Stainless Steel: Inner tank made of SUS304 stainless steel to maintain high water quality.
Customizable Options: Customized solar water heating solutions available to meet specific needs.
Long Service Life: Designed for long operating life with low maintenance and repair costs.
Compact Structure: Compact type design suitable for residential installation with thermosiphon principle.
Certified Quality: Products certified with ISO9001 and CCC standards for reliability.
Manufacturer Direct: Direct from manufacturer with 72 R&D engineers and advanced production lines.
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 solar water heater?
A:
The product comes with a 3-year warranty.
Q:What is the maximum capacity of the solar water heater?
A:
The maximum capacity is greater than 200 liters, with standard series available in 100L, 200L, and 300L.
Q:Is customization available for this product?
A:
Yes, customized solar water heating solutions are available.
Q:What materials are used for the inner and outer tanks?
A:
The inner tank is made of Stainless Steel SUS304, and the outer tank is made of white painted steel or galvanized steel.
Q:What certifications does the product have?
A:
The product is certified with ISO9001 and CCC.
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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