Why this layer exists. Every other page on this site is organised by company or by region. Buyers do not search that way. They search “high layer PCB manufacturer China”, “any-layer HDI supplier”, “ceramic PCB” — a process plus a place. Each page below answers one of those queries with evidence drawn from the sixteen measured profiles, and names the number that is missing from the industry’s own marketing.
What the six pages have in common. Each one ends the same way: a list of what a buyer must ask for because nobody publishes it. That is the honest finding. Across sixteen plants claiming 1–108 layers, HDI, SLP, IC substrate, metal-core, ceramic and rigid-flex, the published capability is a product-family list, not a specification.
| Process | The question it answers | Plants claiming it |
|---|---|---|
| High-layer-count PCB | Who will quote 20–40 layers, and who publishes a ceiling at all | 5 of 16 state a range |
| HDI and any-layer | Who claims HDI, and what build-up they will actually commit to | 9 of 16 claim it |
| Quick-turn prototype | Who runs a real prototype line and what lead time they publish | 4 of 16, 2 with a lead time |
| IC substrate and SLP | Who is a substrate supplier rather than a board shop with a new line | 3 of 16 |
| Metal-core, ceramic, heavy copper | Who builds on aluminium, AlN and 3 oz copper — the hard materials | 10 of 16 claim one |
| FPC and rigid-flex | Who runs flexible lines, and which of them can also populate the board | 8 of 16 claim it |
A Chinese PCB site describes capability as a list of product families: 多层板, HDI, 厚铜, 金属基, 软硬结合. The list is a statement of intent, not a specification. Four numbers turn it into a specification, and this directory found them published as follows: a layer ceiling (5 of 16), an HDI order or build-up (0 of 16 as a stated limit), a copper weight ceiling (1 of 16), and a monthly area capacity for the line in question (2 of 16 for high-layer or HDI lines specifically).
Everything else is inference. A plant that says “high layer count” may run 12 layers comfortably and 24 with difficulty; a plant that says “HDI” may mean 1+N+1 with laser vias or any-layer with stacked microvias, and those are different factories with different yields. The pages below separate the two wherever a source allowed it, and say so where it did not.
The method, in one line. Every figure here comes from a profile that records its source and its date: an annual report, a registry extract, a per-factory page, or a direct measurement on 1 November 2026. No capability on these pages was inferred from a logo, a photograph or a trade-show booth.
Two plants appear on all six pages: Kinwong (rigid, flex, metal-based, SLP and IC substrate under one management system, thirteen factories) and Champion Asia (1–108 layers, HDI, thick copper, ceramic, rigid-flex, FPC, SMT and finished-product assembly). One appears on five: Suntak, which is the only plant publishing a monthly capacity for each of its nine factories. The rest are specialists, and specialisation is where the useful answers are: Wanyexing at 53 staff for ceramic and copper-core, Shengda Xinxing for aluminium substrate in volume, Xunjiexing for prototype-to-volume from one engineering file.
They are not a shortlist. A plant that appears on the HDI page has claimed HDI; it has not been audited for it, and no certificate number is published by any of the sixteen. Use a page here to choose who to ask, then use the factory audit checklist to decide what the answer is worth. The buyer-question index covers the commercial questions — entity, certification, origin, order size — that these six pages deliberately leave out.