Kyocera Corporation(6971.T)
HQ JP8% share
Japanese electronics/ceramics group; crystal devices and oscillators (incl. former AVX/Kyocera Crystal Device line).
manufactured · input
Synthetic Sapphire Watch Crystal
Scratch-resistant synthetic sapphire (corundum) crystal grown and machined for watch faces (also smartphone camera covers and sensor windows).
8
Source countries
4
Companies
2
Goods affected
0
Claims on record
What depends on it
Goods that need this input
2 essential American goods rely on synthetic sapphire watch crystal somewhere upstream in their supply chain.
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| CHSwitzerland | 78% |
| CNChina | 10% |
| GBUnited Kingdom | 3% |
| VNVietnam | 2% |
| CACanada | 2% |
| DEGermany (Federal Republic of Germany) | 1% |
| FRFrance | 1% |
| JPJapan | 1% |
Who makes it
Supplier companies
4 companies produce synthetic sapphire watch crystal.
Monocrystal PJSC
HQ RU
One of the world's largest synthetic-sapphire growers (sapphire for LED substrates, watch/phone crystals).
Saint-Gobain(SGO.PA)
HQ FR
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.
Stettler Sapphire AG
HQ CH
Swiss maker of machined synthetic-sapphire watch crystals and components.