Producer
Henan Huanghe Whirlwind
Major Chinese synthetic-diamond maker (HPHT); industrial grit + gem-grade.
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Inputs supplied
3
Goods downstream
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Facilities
0
Stories
What they make
3 inputs Henan Huanghe Whirlwind supplies
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What else they do
Business segments
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Synthetic diamond
Superhard materials & tools
Advanced / CVD diamond
Intelligence
What's known
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Concentration2024
China makes the overwhelming majority of the world's synthetic industrial diamond — the HPHT-pressed grit that is the hardest cutting and grinding material there is — and Huanghe Whirlwind is one of the largest producers. Its most consequential use is invisible: the diamond wire saw, a thin wire studded with diamond grit that slices silicon ingots into the wafers for solar cells and semiconductors (and also cuts stone, granite and concrete). So a Chinese superhard-materials industry sits upstream of both solar-panel and chip-wafer production and of construction stone-cutting — a near-monopoly on the abrasive that physically does the slicing. A constraint on synthetic diamond grit would, quietly, constrain the slicing of the silicon that the energy transition and the electronics industry both depend on — a chokepoint two layers below "chips" and "solar" that rarely appears in supply-risk maps.
Henan Huanghe Whirlwind Co., Ltd. ↗Did you know2024
Synthetic diamond is one material doing radically different jobs, all from the same Chinese industry. Gem-grade lab-grown diamonds go into jewelry — disrupting the mined-diamond market that Alrosa and De Beers dominate. Industrial grit goes into cutting and grinding tools and the diamond wire that slices wafers. And large single-crystal and CVD diamond is the frontier material for high-power electronics, optics and quantum sensing. So Huanghe and its peers sit simultaneously in the jewelry market they are disrupting, the manufacturing-tools and semiconductor/solar wafer supply chains, and the leading edge of diamond electronics. The same crystal is a ring, a saw blade, and a future semiconductor substrate — and increasingly it comes from the same handful of Chinese HPHT and CVD producers.
Henan Huanghe Whirlwind Co., Ltd. ↗