What is the absorption rate of the collector?

The absorption rate is greater than or equal to 92%.

What materials are used for the absorber?

The absorber is made of aluminum plate combined with copper pipes.

Is the glass plate transparent and durable?

Yes, it uses 3.2mm low iron tempered textured glass with 92% transmittance.

Pressurized Compact Flat Plate Solar Water Heater Manufacturer in China

Name: Pressurized Compact Flat Plate Solar Water Heater Manufacturer in China
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1978400042

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

Dual Structure Options: Available in platform and slope types to suit various building roof structures.

High Efficiency Absorption: Absorption rate reaches 92% with low emittance of 8% for optimal heat gain.

Durable Material Construction: Features aluminum plate with copper pipes and 3.2mm low iron tempered glass.

High Pressure Resistance: Max working pressure of 1.5Mpa ensures safety and reliability in operation.

Superior Insulation: Uses polyurethane insulation to minimize heat loss and maintain water temperature.

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

OEM and ODM Services: Full customization support available for branding and specific design requirements.

Rapid Production Lead Time: Average lead time within 15 working days for both peak and off-peak seasons.

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.