What is the chemical resistance of this glass?

It is highly resistant to water, strong acids, alkalis, and saline solutions, meeting ISO1776 first class standards.

Where is the manufacturer located?

The company is located in Zhucheng, Weifang, Shandong, China, with Qingdao Port as the nearest shipping port.

Clear Tempered Borosilicate Glass Tube From China

Name: Clear Tempered Borosilicate Glass Tube From China
Brand: Shandong Longguang Tianxu Solar Energy Co., Ltd.
SKU: 1948178222

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

Negotiable

2 Tons

Product profile

Customization

Available

Color

Transparent

Certification

ISO9001

Cup Accessories

without Handle

Application

Daily Use

Type

Glass Tube

Size

68*2.2*1500

Transport Package

Carton

Specification

18-1.8-1500

Trademark

Tianxu& Oem

Origin

China

HS Code

7023

Production Capacity

120450 Tons

Key features

High Chemical Stability: Resistant to strong acids, alkalis, and saline solutions for laboratory and industrial use.

Thermal Shock Resistance: Low thermal expansion rate ensures high resistance to temperature differences and bursting.

High Light Transmittance: Optical quality with no extra reflection, suitable for lighting and solar thermal applications.

Wide Size Customization: Sizes between DN80 and 320mm can be customized to meet specific project requirements.

OEM/ODM Service: Supports OEM and ODM services with 72 R&D engineers for tailored product solutions.

Health and Safety: Safe daily usage glass that contains no harmful substances and is non-bursting.

Large Scale Manufacturing: Annual output of 1 million tons of glass and 16 million solar vacuum tubes.

ISO9001 Certified: Manufactured under ISO9001 certification ensuring consistent quality and standards.

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 are the main applications of this glass tube?

It is used in daily usage, laboratory equipment, lighting, and solar thermal tubes due to its high stability and optical quality.

Q:Is the size of the glass tube customizable?

Yes, sizes between DN80 and 320mm can be customized. Standard diameters range from 9mm to 160mm.

Q:Does the supplier offer OEM or ODM services?

Yes, OEM and ODM services are available, supported by 72 R&D engineers.

Q:What is the lead time for production?

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

Q:What payment terms are accepted?

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

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Clear Tempered Borosilicate Glass Tube From China