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Refining & separation · China

Jiangsu Pacific Quartz

603688 CH Work there, own it, buy from it ↓

Refine — holds How this is computedCount of bottlenecks on which this organisation is recorded as a producer, a holder of the capacity, or a supplier of a critical part.Method →Code → of the How this is computedCount of rows in the bottleneck corpus: every material plus every non-material chokepoint.Method →Code → bottlenecks tracked here.

Bottlenecks held1 (Computed: Count of bottlenecks on which this organisation is recorded as a producer, a holder of the capacity, or a supplier of a critical part.) of 33each with another maker recordedHardest binding11 (Estimate by Substrata, 2026-09-15: concentration 3 + substitution 2 + lead time 3 + inelasticity 3 = 11 of 12)/12Crucible-grade high-purity quartz sand · judged 2026-09-15Events0 (Computed: Accepted events that name this organisation, plus (counted separately) accepted events on a bottleneck it holds that do not name it.)name it · 2 more on what it holds

Role cited from quartzpacificglobal.com ↗. Report an error

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01Chokepoints it holds

1 of 1 sourced

Score = concentration + substitution + lead time + inelasticity, each 0–3, an analyst judgement dated 2026-09-15; open a score for its rationale and assessment. Makers are those the corpus records, not the whole market. No market-share figure is sourced, so none is shown.

02What has happened

2 about what it holds

About what it holds, not naming Jiangsu Pacific Quartz

All events →

03Unread leads

6 found by the sweep, unread

Pages the sweep found on these chokepoints. Nobody here has read them yet; they are not events and not evidence.

04What could loosen its grip

about its chokepoints, not the company
  • A fully synthetic crucible

    Making the whole crystal-growing crucible from manufactured quartz, rather than only its inner lining.

    Science · for Crucible-grade high-purity quartz sand

    readiness
    Estimate, not a measurementWorks as a component in a lab. This entry originally claimed the synthetic inner layer was the open question. The source says the opposite: fusing synthetic powder onto the inside of a natural-quartz crucible is established practice. So the relief is narrower and earlier than scored — replacing the natural BODY has no demonstrated production route.By Substrata · 2026-09-15Supporting source →/9

Readiness is the 1–9 technology-readiness scale, a dated judgement; open a figure for the reasoning and its source.

05Others at the same step of the chain

directory rows · grades are judgements

06Ways to take part

how to reach it, not whether to

Not investment advice. This says how the public can reach a company — a job, its shares, its products — not whether anyone should. It takes no account of anyone’s circumstances, and a company holding a chokepoint is not a reason to own it. What this is not

Work there
It publishes its roles on its own careers page.Official careers page ↗
Own part of it
Its shares trade publicly as 603688 CH, bought and sold through a broker that reaches that exchange.603688 CH listing record ↗
Buy from it
At this depth of the chain most sales are to other businesses, under contract. No page of its own is recorded here yet.

07Hiring

official careers page

Its roles are published on its own site, which Substrata links rather than reads. Official careers page ↗

08What this holds up

2 loops

A loop is one design, build and measure turn. Severity is a dated judgement on a 0–12 scale, not a measurement, and the judgements are not added together — the figure shown is the worst single one.

09Sources

1 cited
  1. quartzpacificglobal.com ↗ — Crucible-grade high-purity quartz sand: refine

Discussion

Comments use threadkit (permission is participation). Sign in with OrangeCat to write. Fact-check is the same assistant as Ask, grounded in the corpus.

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