How does the system operate?

It operates based on the thermosiphon principle, using the temperature difference between cold and hot water to circulate heated water.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-season periods.

What payment terms are accepted?

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

Vacuum Direct-Plug Solar Energy Water Heater

Name: Vacuum Direct-Plug Solar Energy Water Heater
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1944185622

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

US$70.00-300.00

1 Set

Product profile

Customization

Available

After-sales Service

Provided

Warranty

3 Years

Model NO.

TX-NP-100L

Max. Capacity

>200L

Structure

Compact Type

Pressure

Unpressurized

Interior Material

Stainless Steel

Collector Components

Glass Vacuum Tube

Composition

Collector

Certification

ISO9001, CCC

Transport Package

Cartons

Specification

100L

Trademark

Tianxu or OEM

Origin

China

HS Code

841919

Production Capacity

100000 Sets/Month

Key features

Cost-Effective Solution: Economical system designed for residential hot water applications with high energy yield.

High Efficiency Design: Utilizes thermosiphon principle and high vacuum tubes with PU insulation for low heat loss.

Durable Materials: Inner tank made of Stainless Steel SUS304-2B to ensure long life and good water quality.

Customizable Options: Customized solar water heating solutions available to meet specific customer requirements.

Low Maintenance: Long operating life with low maintenance costs and minimal repair requirements.

Certified Quality: Products certified with ISO9001 and CCC standards for safety and reliability.

Compact Structure: Compact type design with unpressurized operation suitable for various residential setups.

Strong Manufacturing: Backed by a major manufacturing base with advanced production lines and R&D capabilities.

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.