What materials are used for the absorber and glazing?

The absorber uses aluminum plate with copper pipes, and the glazing is 3.2mm low iron tempered textured glass.

How is the product protected against freezing?

It features a closed design that is anti-raining and anti-freezing, well combined with architecture.

What are the payment terms accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Thermosyphon Coil Copper Solar Water Heater

Name: Thermosyphon Coil Copper Solar Water Heater
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1978301122

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

US$75.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Max. Capacity

>200L

Structure

Separate Type

Pressure

Pressurized

Interior Material

Stainless Steel

Collector Components

Flat-plate

Composition

Collector

Certification

CE, ISO9001, CCC

Transport Package

Carton Box

Trademark

Tianxu or OEM

Origin

Weifang

Production Capacity

50000 Sets/Year

Key features

High Absorption Performance: Absorption rate reaches 92% with 3.2mm low iron tempered textured glass for maximum efficiency.

Advanced Laser Welding: Welding process ensures durability and leak-proof performance for the absorber header.

Anti-Freezing Design: Closed design combined with architecture ensures reliable operation in freezing conditions.

Customizable Structure: Available in platform type and slope type to suit different building roof structures.

OEM and ODM Services: Full OEM and ODM customization services available for tailored product requirements.

Robust Insulation: Polyurethane insulation material minimizes heat loss for optimal thermal retention.

Certified Quality: Products certified with CE, ISO9001, and CCC standards for global market compliance.

Large Capacity Options: Max capacity exceeds 200L, suitable for large household or commercial needs.

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.

Product Q&A

Q:What is the maximum capacity of this solar water heater?

The maximum capacity is greater than 200 liters, making it suitable for large-scale usage.

Q:Is the product customizable in terms of structure?

Yes, the product offers two structure forms: platform type and slope type, adaptable to different roof structures.

Q:What certifications does the solar water heater have?

The product holds CE, ISO9001, and CCC certifications ensuring quality and safety standards.

Q:Does the manufacturer offer OEM and ODM services?

Yes, both OEM and ODM services are available for customizing the product according to client needs.

Q:What is the lead time for production?

The average lead time is within 15 working days for both peak and off-peak seasons.

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Thermosyphon Coil Copper Solar Water Heater