Zhejiang Jingtai Glass Technology Co., Ltd.: From "chasing standards" to "defining standards"—reshaping the value proposition of specialty glass through domestic substitution and compliance upgrades.

By October 2026, China’s specialty glass industry is undergoing a fundamental shift in identity—moving from a role of "playing catch-up" to one of "defining the standards."

On October 1, the national standard *Technical Evaluation Requirements for Energy Conservation and Carbon Reduction in the Flat Glass Industry* (GB/T 47395-2026) officially came into effect. By replacing simple energy consumption limits with a technical evaluation framework, it has restructured the logic of green competition within the glass industry. That same month, core equipment for China’s first production line for ultra-large, all-solid-state electrochromic electronic thin films began arriving in Harbin. Production of the country’s largest electrochromic glass (1.9m × 3.1m) is expected to commence in March 2027, with prices projected to drop to just one-tenth of comparable imported products. Meanwhile, a cross-border collaborative project involving domestic specialty glass enterprises to develop semiconductor TGV (Through-Glass Via) substrates has officially launched, and EPD (Environmental Product Declaration) certification is becoming a "passport" for entry into the international green building market.

From passively benchmarking against international standards to actively participating in the formulation of global rules; from relying on high-end imports to achieving domestic substitution at one-tenth of the cost—the value proposition of China’s specialty glass industry is being redefined. As a national high-tech enterprise with nearly two decades of experience in deep-processing specialty glass, Zhejiang Jingtai Glass Technology Co., Ltd. has found its strategic position amidst this transformation: securing its baseline through early compliance, raising its performance ceiling through continuous smart manufacturing innovation, and expanding its market reach through international practices such as full-container exports.

I. A Shift in Evaluation Logic: Energy Balance Values ​​Redefine the "Right to Define" Energy-Efficient Glass
On November 1, 2026, the national standard GB/T 47553—2026, *Calculation Method for Energy Balance Values ​​of Architectural Glass*, will officially take effect. This standard introduces the concept of "energy balance value." By calculating the net heat gain or loss of glass during the heating season to comprehensively assess its thermal insulation and heat-blocking performance, it overcomes the limitations of traditional parameters—such as heat transfer coefficients and shading coefficients—which were often isolated and failed to account for climatic variations.

The profound significance of this standard lies in the "transfer of the right to define." Historically, the assessment of energy-saving performance for architectural glass relied on European-derived parameters such as U-values ​​and shading coefficients; however, these metrics struggled to provide precise guidance given the divergent climatic needs—prioritizing shading in the south and thermal insulation in the north. The "energy balance value" standard established an evaluation method better suited to China's climate by incorporating localized parameters such as utilization coefficients, cleanliness factors, and heating degree-days. Standard-setting bodies have highlighted that while building energy consumption accounts for approximately 40% of my country's total energy use—with windows and doors responsible for up to 50% of that loss—the adoption rate of high-performance Low-E glass remains at just 10%, far below the 50%+ seen in developed nations. Establishing an indigenous evaluation method is a necessary prerequisite for promoting energy-saving glass and achieving "dual carbon" goals.

Zhejiang Jingtai Glass Technology’s product lines—comprising Low-E insulating glass and nano-energy-saving glass—are direct beneficiaries of this shift in evaluation standards. The Low-E insulating glass combines a low-emissivity coating with an insulating cavity structure to significantly reduce energy consumption for building cooling and heating. Meanwhile, the nano-energy-saving glass—developed with support from the "11th Five-Year Plan" National Key Technology Support Program—offers easy installation without requiring window frame replacement; it achieves a comprehensive energy-saving rate of 25% to 30%, making it particularly suitable for energy-efficiency retrofits of existing buildings. With the domestic Low-E glass market projected to exceed 16.69 billion yuan by 2026 (a year-on-year increase of 12.3%), the localization of evaluation standards will open up greater market opportunities for products that deliver genuine energy-saving performance.

II. The Shift in Product Substitution: Accelerating Domestic Production of Electrochromic Glass and Glass Substrates
By 2026, the trend of domestic substitution in the specialty glass sector is shifting from the question of "can it be made?" to "can it be made at a competitive cost?"

Electrochromic glass stands out as the most representative product category in this transition. China's first production line for ultra-large, all-solid-state electrochromic electronic thin films has been established in the Harbin New Area. With a total investment of 1 billion yuan, the project utilizes all-solid-state inorganic electrochromic technology; by completely eliminating the traditional liquid electrolyte structure, it fundamentally resolves common issues such as leakage and failure due to aging. Once the project enters production, capacity will ramp up steadily; an annual output of 600,000 square meters is projected by 2027, with prices dropping to one-tenth of comparable imported products. Previously, this type of glass—used for aircraft portholes, high-speed train windows, and high-end architectural curtain walls—was dominated by foreign suppliers, with a single pane costing over ten thousand yuan. The dismantling of this price barrier means electrochromic glass will shift from being a "luxury item" for a select few high-end projects to a viable option for architectural curtain walls and automotive panoramic roofs.

Domestic substitution for semiconductor glass substrates is also accelerating. In September 2026, Chongqing Xinjing Special Glass signed a strategic cooperation memorandum with Japan’s Kuramoto Seisakusho. The two parties agreed to jointly develop semiconductor-grade special glass, such as TGV (Through-Glass Via) substrates, establishing a collaborative innovation model that combines "Chinese materials" with "overseas precision processing." Chongqing Xinjing is a core supplier of Huawei’s Kunlun Glass and a domestic supplier of raw glass sheets for the C919 airliner, while Kuramoto Seisakusho possesses mature capabilities in nanoscale surface treatment and TGV processing technology. In March 2026, the Ministry of Industry and Information Technology (MIIT) issued the "Special Plan for New Material Industry Development during the 15th Five-Year Plan," designating high-end semiconductor packaging glass substrates as a key area for technological breakthroughs. This strategy—combining independent material development with collaborative processing—has opened a viable entry point for Chinese special glass enterprises into the high-barrier semiconductor packaging sector.

Zhejiang Jingtai Glass Technology has established a forward-looking presence in the smart glass sector. In 2024, the company was granted a utility model patent for a "smart dimming bulletproof glass structure," which innovatively integrates smart dimming capabilities with bulletproof security features, thereby expanding the application scope of smart dimming glass into security-sensitive areas such as financial security systems and specialized vehicles. The company is also collaborating with Quzhou University on preliminary research into electrochromic smart glass technology, continuously building a pipeline of next-generation smart glass technologies. In the fields of semiconductor and electronic glass, the company leverages its provincial-level high-tech enterprise R&D center to continuously accumulate expertise in core technologies such as precision glass processing and ultra-thin glass treatment. III. The Shift in Green Trade: EPD Certification Becomes a "New Passport" for International Markets
As the trend of domestic substitution accelerates, market entry barriers in the international arena are also evolving. By 2026, EPD (Environmental Product Declaration) certification has become a "hard currency" for specialty glass enterprises seeking to enter the international green building market.

An EPD is a third-party verified statement of environmental performance based on a product's full life-cycle assessment. It systematically presents the environmental impact of a product across stages such as raw material sourcing, production, transportation, usage, and recycling, serving as a crucial reference for green building certification, low-carbon procurement, and the development of sustainable supply chains. Between July and September 2026, Luoyang Landi’s titanium-metal vacuum glass secured dual EPD certifications for both China and Europe; Hebi Lida Specialty Glass’s high-performance vacuum glass obtained international EPD certification; and AGC published multiple EPD declarations for its low-carbon fire-resistant glass on European platforms.

This trend imposes new requirements on export-oriented specialty glass enterprises. The inclusion of architectural glass under the EU’s Carbon Border Adjustment Mechanism (CBAM) is transforming carbon footprint data from a "value-add" feature into a "market entry" prerequisite. EPD certification reports are typically valid for five years, providing a sustained basis for compliance in green building assessments, carbon footprint accounting, and international project bidding. For specialty glass companies aiming to enter high-end markets such as Europe and the Middle East, EPD certification is becoming a "second passport" as vital as CE certification.

Zhejiang Jingtai Glass Technology has taken substantive steps toward international compliance. In March 2026, the company’s tempered glass products obtained certification from an EU-authorized body, providing a guarantee of safety and quality endorsement for exports to the European market. On September 7, 2026, a shipment of smart dimming glass departed from Quzhou bound for Serbia—marking the first time the company exported this product line to the Serbian market in full-container loads. From obtaining CE certification to shipping full containers abroad, Jingtai Glass is upgrading its strategy from merely "exporting products" to "exporting compliance capabilities." IV. Evolution of Manufacturing Capabilities: From Automated Production Lines to a Full-Chain Quality Closed-Loop
Whether participating in standard-setting, achieving domestic substitution, or overcoming green trade barriers, the underlying foundation has always been the continuous upgrading of manufacturing capabilities.

Located in the Intelligent Manufacturing New City of Quzhou, Zhejiang Province, Zhejiang Jingtai Glass Technology occupies a total area of ​​over 60 mu (approximately 4 hectares) and features more than 30,000 square meters of standard factory facilities. The company’s deep-processing production lines are equipped with advanced machinery covering the entire process—including cutting, edge grinding, tempering, lamination, insulating glass assembly, and screen printing. Its infrastructure includes three fully automated glass cutting lines, four high-speed intelligent double-edging lines, two dual-chamber forced-convection tempering lines, two fully automated laminated glass lines, two autoclaves with automatic infrared heating circulation, two bullet-resistant and smash-resistant (riot-proof) glass lines, four fully automated insulating glass lines, and two fire-resistant glass lines.

The value of this production system lies in its "full-chain quality control." By establishing a comprehensive quality management system that spans everything from raw material inspection and in-process control to the final release of finished goods, the company ensures that every batch of specialty glass meets high standards for safety performance, optical quality, and durability. The company has obtained certifications for ISO9001 (Quality Management), ISO14001 (Environmental Management), ISO45001 (Occupational Health and Safety Management), and the Integration of Informatization and Industrialization Management System. Its products have also secured China’s Compulsory Certification (CCC) from the China Building Materials Test & Certification Group, factory approval from the China Classification Society (CCS), and fire-safety product certification from the Tianjin Fire Research Institute of the Ministry of Emergency Management.

Regarding standard-setting, the company led the formulation of the "Zhejiang Manufacturing" standard T/ZZB 0277—2017, *Lightweight High-Transparency Bullet-Resistant and Smash-Resistant Composite Glass*, and obtained the "Zhejiang Manufacturing" certification mark. The products defined by this standard offer dual functionality—bullet resistance and smash resistance—while reducing weight by 20% to 33% and increasing light transmission from the national standard of 75% to over 85%. By shifting from merely "adhering to standards" to "formulating standards," the company has achieved a significant milestone in its evolution within the specialty glass deep-processing sector. V. Market Validation: A Dual Test of Orders and Global Expansion
The effectiveness of this transformation in identity is ultimately tested by the market.

In late August 2026, the company’s production lines were running at full capacity to fulfill overseas orders for products such as bullet- and smash-resistant glass, smart dimmable glass, and gradient glass, with a total delivery volume exceeding 3,000 square meters. Prior to this, the company had successfully won a bid to supply nearly 50,000 square meters of curtain wall glass for the Smart Industry Park in Quzhou High-Speed ​​Railway New City.

Regarding international expansion, the company participated in the "Quzhou Buy" international procurement event and the China (Zhejiang)–Netherlands Economic and Trade Matchmaking Conference in June 2026, engaging in face-to-face discussions with buyers from 18 countries and regions, including the United States, Russia, Saudi Arabia, and Ukraine. After visiting Jingtai Glass, a buyer from Ukraine remarked, "The level of process control and product consistency here is impressive; it fully meets our rigorous standards for industrial-grade partners." The shipment of a full container of products to Serbia in September 2026 marked the latest achievement of these internationalization efforts.

The company’s core portfolio comprises specialized glass products, including nano-silicon composite fire-resistant glass, monolithic cesium-potassium fire-resistant glass, composite heat-insulating fire-resistant glass, bullet- and smash-resistant composite glass, Low-E insulating glass, smart dimmable glass, and tempered glass. In the fire-resistant glass sector, the nano-silicon composite glass boasts transparency exceeding 95%; the 45mm specification can withstand temperatures above 1,000°C without flame penetration or significant temperature rise over a two-hour period. In the safety and security sector, the lightweight, high-transparency bullet- and smash-resistant composite glass has earned the "Zhejiang Manufacturing" certification and is widely adopted by numerous banks across China. In the energy-saving glass sector, Low-E insulating glass and nano-energy-saving glass are perfectly positioned to capitalize on market opportunities arising from new standards for energy balance values. In the smart glass sector, the company has achieved a breakthrough with the export of a full container of smart dimmable glass to Serbia.

Looking Ahead
Looking to the future, competition in the specialty glass industry is shifting from a focus on "product performance" to a multidimensional landscape defined by "participation in standard-setting," "depth of domestic substitution," and "levels of green compliance." Energy balance standards are reshaping the evaluation logic for energy-efficient glass; the localization of electrochromic glass and semiconductor glass substrates is dismantling price barriers for high-end products; and EPD certification is redefining market entry thresholds internationally. Enterprises capable of simultaneously upgrading their compliance capabilities, technical reserves, and manufacturing standards will secure a favorable position during this industry transformation.

Zhejiang Jingtai Glass Technology Co., Ltd. remains committed to its quality policy of "technological leadership, quality-first, continuous innovation, and satisfying service," while closely tracking industry trends toward intelligent, green, and high-end development. While consolidating its competitive edge in core product categories—such as fire-resistant glass, bulletproof and smash-resistant composite glass, Low-E insulating glass, and smart dimming glass—the company continues to monitor the industrialization progress of cutting-edge sectors like electrochromic smart glass and semiconductor packaging glass. By providing safer, smarter, and more eco-friendly specialty glass products, the company supports the national "Dual Carbon" strategy and the broader development of the new materials industry, contributing to the high-quality growth of China's specialty glass sector.

About Zhejiang Jingtai Glass Technology Co., Ltd.

Located at No. 56 Donggang 2nd Road, Intelligent Manufacturing New City, Quzhou City, Zhejiang Province, Zhejiang Jingtai Glass Technology Co., Ltd. was established in March 2007. With a registered capital of RMB 12 million, the company occupies an area of ​​over 60 mu (approx. 4 hectares) and features more than 30,000 square meters of standard factory facilities. Recognized as a National High-Tech Enterprise and a Zhejiang Provincial "Specialized, Refined, Distinctive, and Innovative" (SRDI) SME, the company specializes in the R&D, production, sales, and service of safety, eco-friendly, and energy-efficient specialty glass. Its deep-processing production lines are equipped with core machinery, including three fully automatic glass cutting lines, four fully automatic high-speed intelligent double-edging lines, two dual-chamber forced-convection tempering lines, two fully automatic laminated glass lines, two automatic circulating infrared heating autoclaves, two bulletproof/smash-resistant (riot-resistant) glass lines, four fully automatic insulating glass lines, and two fire-resistant glass lines. The company operates a provincial-level high-tech enterprise R&D center and holds 86 items of independent intellectual property. The company led the formulation of the "Zhejiang Manufacturing" standard T/ZZB 0277—2017, "Lightweight High-Transparency Bullet-Resistant and Burglary-Resistant Composite Glass," and obtained the "Zhejiang Manufacturing" certification (marked by the "Pin" symbol). Its main products include a range of specialty glass items such as nano-silicon composite fire-resistant glass, monolithic cesium-potassium fire-resistant glass, composite heat-insulating fire-resistant glass, bullet-resistant and burglary-resistant composite glass, Low-E insulating glass, smart dimming glass, and tempered glass. The products have passed China's Compulsory Certification (CCC) and the EU's CE certification. The company has received honors such as "Famous Trademark of Quzhou City" and "Famous Brand Product of Quzhou," and was recognized in 2024 as a Zhejiang Province AAA-rated "Contract-Abiding and Credit-Worthy" enterprise.

E-mail: admin@jingtaibl.com

TEL:  +86 18969476297

Address: No.56, No.2 Donggang Road, Quzhou, Zhejiang Province