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High Quality Clear 3.3 High Borosilicate Glass Tube
Negotiable
2 Tons
Product profile
Customization
AvailableColor
TransparentCertification
ISO9001Cup Accessories
without HandleApplication
Daily UseType
Glass TubeTransport Package
CartonSpecification
18-1.8-1500Trademark
Tianxu& OemOrigin
ChinaHS Code
7023Production Capacity
120450 TonsKey features
High Borosilicate Material: Features low thermal expansion, high temperature resistance, and high chemical stability for durability.
Multi-Industry Application: Suitable for daily use, laboratory equipment, lighting, and solar thermal tubes.
High Light Transmittance: Offers high optical quality with no extra reflection and refraction for lighting applications.
Thermal Shock Resistance: Highly resistant to thermal shock, anti-temperature difference, and non-bursting.
Chemical Resistance: Resistant to water, strong acids, alkali, and saline solutions for laboratory safety.
Trusted Manufacturer: Supplier for famous brands like Starbucks and Wuliangye with ISO9001 certification.
Customization Service: ODM and OEM services available with customized sizes for specific project needs.
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 material composition of the glass tube?
A:
The main composition is SiO2 (81%), B2O3 (13%), Na2O+K2O (4%), and Al2O3 (2%).
Q:What certifications does the product have?
A:
The product has ISO9001 certification and hydrolytic resistance classes ISO719-HGB and ISO720-HGA.
Q:What are the main applications for this glass tube?
A:
It is used in daily usage, laboratory instruments, lighting, and as medium-high temperature solar thermal tubes.
Q:What are the payment terms and lead times?
A:
Payment terms include LC, T/T, D/P, PayPal, etc. Lead time is within 15 workdays for both peak and off-season.
Q:Does the manufacturer support OEM and ODM services?
A:
Yes, the company provides both OEM and ODM services with 72 R&D engineers.
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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