Xinyi Solar Holdings Limited
HQ CN34% share
Largest global producer of solar cover glass (low-iron float glass for PV modules). Spin-off of Xinyi Glass Holdings. Listed on HKEX. ~34% global PV glass capacity share.
manufactured · input
Solar Cover Glass (Low-Iron Float Glass for PV Modules)
Low-iron (extra-clear) float glass used as the front cover of crystalline silicon and thin-film photovoltaic solar modules. High light transmittance, UV resistance, durability for 30-year outdoor exposure.
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Source countries
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Companies
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Goods affected
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Claims on record
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| CNChina | 90% |
| FRFrance | 4% |
| JPJapan | 3% |
| BEBelgium | 2% |
| MYMalaysia | 1% |
| USUnited States | 1% |
Who makes it
Supplier companies
7 companies produce solar cover glass (low-iron float glass for pv modules).
Flat Glass Group Co., Ltd.
HQ CN18% share
Second-largest global solar PV glass producer. Listed on HKEX (6865). ~18% global share. Expanding into Vietnam and Indonesia.
NSG Group (Pilkington)(5214.T)
HQ JP8% share
Japanese glass company that acquired Pilkington (UK inventor of float glass process) in 2006. NSG/Pilkington licenses the float glass process to essentially all global producers; receives royalties from ~250 float glass lines worldwide. Major float glass producer in Europe, Americas, and Asia.
Saint-Gobain(SGO.PA)
HQ FR7% share
French multinational founded 1665; world's largest flat glass and building materials company. Operates 400+ industrial sites globally; major flat glass brands include SGG (construction glass) and Sekurit (automotive glass). Also makes high-performance materials, gypsum (Gyproc/CertainTeed), and insulation.
CSG Holding Co., Ltd.
HQ CN6% share
China Southern Glass. One of China's most diversified glass companies — architectural, automotive, electronic, and solar glass. Listed on Shenzhen exchange (000012). ~6% PV glass share.
AGC Inc.(5201.T)
HQ JP5% share
Japanese glass and chemicals conglomerate (TSE: 5201, formerly Asahi Glass); world's largest EUV photomask blank supplier by revenue (~55-59% market share). EUV blank production via 100%-owned subsidiary AGC Electronics Co., Ltd. at Koriyama, Fukushima, Japan (production started January 2022; 30% capacity expansion January 2024; ¥40B+ sales target by 2025). Unrelated businesses in same parent: automotive glass (world #1 market share), architectural/float glass, pharmaceuticals and agrochemical active ingredients, life sciences. Same company that makes your car windshield also makes the blank every EUV photomask starts from.
Jin Jing Group
HQ CN3% share
Zibo-based Chinese glass producer with ~3,400 t/day of PV glass capacity across three float lines. Top-7 global solar glass producer. ~2.5% share.