About Us
Two Factories, One Mission
From a single workshop in Wuhan to two modern manufacturing facilities — 15+ years of building trust through glass.
See the facility
Inside our Wuhan factory
A short walk through our architectural glass production floor. Cutting, tempering, lamination, and insulated glass assembly under one roof.
Who We Are
Sincere Glass is a full-service architectural glass processing enterprise headquartered in Hubei, China. We integrate deep processing, quality control, and international trade under one roof — giving our clients a single point of contact from order to delivery.
What started in 2005 as a glass processing workshop in Wuhan's Wujin Industrial Park has grown into a dual-factory operation spanning 20,000㎡. Our Wuhan facility (est. 2005) handles the core product lines, while our Honghu facility (est. 2019) in the Xintan Industrial Park houses expanded capacity for oversized panels and specialized products like Low-E and enameled glass.
Every product we ship — tempered, insulated, laminated, or enameled — carries China's mandatory 3C certification and has passed national technical inspection. That's not a marketing line. It's the baseline we hold ourselves to, because our glass goes into hospitals, airports, and homes where quality is non-negotiable.
Our Journey
Founded in Wuhan
Established as a glass processing workshop in Wujin Industrial Park, Hannan District, Wuhan.
Founded in Wuhan
Established as a glass processing workshop in Wujin Industrial Park, Hannan District, Wuhan.
Industry Recognition
Became a council member of the Wuhan Glass Profession Association and earned 'Integrity Enterprise' honor.
Industry Recognition
Became a council member of the Wuhan Glass Profession Association and earned 'Integrity Enterprise' honor.
Leadership Award
Chairman Li Chuanren recognized as one of Wuhan's Top 10 Outstanding Entrepreneurs (8th edition).
Leadership Award
Chairman Li Chuanren recognized as one of Wuhan's Top 10 Outstanding Entrepreneurs (8th edition).
Quality Milestones
Achieved 'Zero Safety Accident' certification and 'China Quality Well-Known Brand' recognition.
Quality Milestones
Achieved 'Zero Safety Accident' certification and 'China Quality Well-Known Brand' recognition.
Capacity Expansion
Invested in new energy-efficient production lines. Expanded from single tempered glass to full product range.
Capacity Expansion
Invested in new energy-efficient production lines. Expanded from single tempered glass to full product range.
Second Factory
Opened 20,000㎡ Honghu facility in Xintan Industrial Park with oversized tempering (3.3.3 m × 15 m) and automated gas-filling IGU line.
Second Factory
Opened 20,000㎡ Honghu facility in Xintan Industrial Park with oversized tempering (3.3.3 m × 15 m) and automated gas-filling IGU line.
Going Global
Launched international trade division. Building sincereglass.com to serve global B2B buyers directly.
Going Global
Launched international trade division. Building sincereglass.com to serve global B2B buyers directly.
Our Facilities
Two factories, complete capabilities, one quality standard.

Wuhan Factory
Wujin Industrial Park, Hannan District, Wuhan
17,000㎡ total area
- Tempering furnaces, CNC cutting, edge polishing
- High-pressure autoclaves for laminated glass
- 120+ employees, 10 technical engineers
- Serves Hubei province and surrounding regions

Honghu Factory
Xintan Town Industrial Park, Honghu, Hubei
20,000㎡ total area
- 4 intelligent cutting lines, 4 edge polishing lines
- 2 tempering furnaces (max 3.3.3 m × 15 m panels)
- Automated gas-filling insulated glass line
- 2 high-pressure autoclaves (one at 3.3.3 m × 15 m)
Leadership
Li Chuanren · 李传仁
Chairman & Founder
Under Chairman Li's leadership, Sincere Glass has grown from a single-product tempered glass workshop into a multi-line manufacturing enterprise covering flat and bent tempered glass, insulated glass, laminated glass, and enameled glass.
His philosophy — "pursue excellence, serve society" — has guided the company through 15+ years of continuous investment in advanced equipment, quality systems, and talent development. In 2010, he was honored as one of Wuhan's Top 10 Outstanding Entrepreneurs.
Today, the company partners with leading domestic float glass producers and maintains comprehensive production process management and quality control systems across both factories.
Certifications & Recognition
CCC (3C) Certification
China Compulsory Certification for tempered, insulated, and laminated glass
National Technical Inspection
Approved by China's national technical supervision and inspection bureau
Contract & Credit Compliance
Recognized as a 'Contract-Honoring and Credit-Worthy Enterprise' by Wuhan authorities
Wuhan Glass Association
Chairman unit of the Wuhan Glass Profession Association
Zero Safety Accident Award
Awarded '100 Days Zero Safety Accident' certification by Wuhan Safety Production Association (2012)
Hubei Energy Efficiency Member
Member of the Hubei Province Building Energy Efficiency Association
Ready to Work With Us?
Whether you need a single product or a complete glass package for a landmark project, we're ready to talk.