Producer
Flat Glass Group Co., Ltd.
Second-largest global solar PV glass producer. Listed on HKEX (6865). ~18% global share. Expanding into Vietnam and Indonesia.
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Inputs supplied
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Goods downstream
4
Facilities
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Stories
What they make
1 input Flat Glass Group Co., Ltd. supplies
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Where they make it
4 facilities
Flat Glass Anhui Phase IV Plant →
CNAnhui
Anhui Province. Major expansion site. Phase IV adding significant capacity as of 2025.
Flat Glass Nantong Plant →
CNJiangsu
Nantong, Jiangsu. Under construction as of 2025.
Flat Glass Vietnam Plant →
VNVietnam. Overseas production base, targeted by India anti-dumping duties ($565/MT) in December 2024.
Flat Glass Zhejiang HQ Plant →
CNZhejiang
Jiaxing, Zhejiang. Original headquarters and main plant.
What else they do
Business segments
The company's full revenue map, where this supply-chain role fits within their broader business.
Solar Cover Glass (PV Glass)
75%Architectural & Building Glass
20%Other Glass Products
5%
Intelligence
What's known
Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.
Concentration2023
China's solar PV glass market — dominated by Xinyi Solar (~34% share) and Flat Glass Group (~18% share) — represents one of the most concentrated critical materials markets in the global energy transition. Two Chinese companies together control approximately 52% of global solar cover glass production capacity. Solar panels without cover glass cannot function — the glass protects the silicon cells from UV, moisture, mechanical stress, and temperature cycling while transmitting maximum light. As global solar capacity additions accelerate (100+ GW per year), demand for PV glass from these two Chinese producers grows proportionally. Western solar panel manufacturers (First Solar, Sunrun, Canadian Solar) are entirely dependent on Chinese PV glass supply for their module production — there is no significant non-Chinese commercial-scale PV glass manufacturing in the US or European Union, creating a materials supply chain dependency analogous to Chinese dominance in solar cells and modules themselves.
Wood Mackenzie ↗Origin2023
Flat Glass Group Co., Ltd. (HKEX: 6865) is headquartered in Bengbu, Anhui Province, China — a glass manufacturing city that is one of China's most important float glass production clusters. Bengbu's glass industry developed from silica sand deposits and industrial development policies. Flat Glass Group grew alongside China's solar panel manufacturing boom in the 2010s, converting float glass manufacturing capacity from architectural/building glass applications toward the solar-specific low-iron formulations required by photovoltaic module manufacturers. The company's international expansion into Vietnam and Indonesia reflects both Chinese capacity discipline (reducing domestic overcapacity pressure by building offshore) and market proximity to Southeast Asian solar installation growth.
Flat Glass Group Co., Ltd. ↗