Screws (ball / planetary roller) / Company record
Wuxi Best Precision Machinery Co., Ltd.
- Legal entity
- Wuxi Best Precision Machinery Co., Ltd.
- Listed
- SZSE ChiNext 300580
- Location
- Wuxi, Jiangsu · Southern Jiangsu
- Field completeness
- 4 / 13 (31%)
4 of 13 fields verified; 9 still Pending. The blanks are the site-visit checklist.
Public disclosure
| Item | Figure | Source | Tier |
|---|---|---|---|
| Ball screw accuracy | C0 grade achieved and first customer orders received | 2025 annual report summary 2026-04 | A |
| Planetary roller screw progress | Sampled 2023; low-volume orders delivered on a rolling basis in 2025 | 2025 annual report summary / investor meeting 2026-04 | A |
| In-house equipment | Self-developed high-precision double-ended centre-hole grinding machine and ball screw life test rig | 2025 annual report summary 2026-04 | A |
| Overseas footprint | Thailand subsidiary Beiyonghua completed and opened in Q4 2025 | 2025 annual report summary 2026-04 | A |
These are disclosed scale figures and do not replace the thirteen fields below. Capacity, tolerance and lead time still require site verification. Planned capacity and commissioned capacity are strictly separated.
The thirteen fields
Click the tag under any field to copy a link that points at that one field, not the whole page.
Legal entity#f-entity | Wuxi Best Precision Machinery Co., Ltd. Basis: Registered legal name Verified by: 2025 annual report summary | A 2026-04 |
|---|---|---|
Plant location#f-site | Pending Basis: Down to town level; city alone does not count as complete How to verify: Site visit / lease agreement | Pending — |
Processes and scope#f-scope | Turbocharger precision parts, new-energy vehicle parts, screws (ball and planetary roller), linear guide pairs and linear actuators; the screw business runs through wholly owned subsidiary Yuhua Precision Basis: Annual-report scope; whether lines are shared with automotive parts pending Verified by: 2025 annual report summary, Main Products and Applications | A 2026-04 |
Key equipment#f-equipment | Pending Basis: Model, number of units, year commissioned How to verify: Photograph nameplates on site | Pending — |
Inspection capability#f-inspection | Pending Basis: Equipment types and count; calibration still valid How to verify: Site visit + calibration labels | Pending — |
Tolerance capability#f-tolerance | Pending Basis: Must separate batch-capable from single-part-capable How to verify: First-article report + 30-piece capability study | Pending — |
Monthly capacity#f-capacity | Planetary roller screws sampled in 2023, rolling low-volume orders delivered in 2025; capacity figures not disclosed by the company Basis: Disclosed facts only; capacity figures circulating in self-media are not used Verified by: 2025 annual report summary plus 2025-11-04 investor meeting record | A 2026-04 |
Lead time#f-leadtime | Pending Basis: Sample and batch counted separately, queueing included How to verify: Interview + follow-up verification | Pending — |
Minimum order#f-moq | Pending Basis: Per part number or per material batch How to verify: Interview + quotation | Pending — |
Price basis#f-price | Pending Basis: Tax, finishing and material loss: who absorbs what How to verify: Original written quotation | Pending — |
Certifications#f-cert | Pending Basis: Certificate number and expiry How to verify: Original certificate + registry check | Pending — |
Customer sectors#f-clients | Machine tools; automotive (including EMB brake-by-wire); humanoid robots Basis: Sectors only; no customer names Verified by: 2025 annual report summary | A 2026-04 |
Capability edge#f-capability_edge | Pending Basis: What they will not or cannot do: precision grade, material, batch size. Blank is not allowed to mean no limit How to verify: Technical lead interview + trial drawing reply | Pending — |
How to cite this page
Every field has its own anchor, so a figure can be cited exactly rather than the whole page. When someone asks where a number comes from, send the anchor.
https://evidencetier.com/c/best-precision/#f-capacity
https://evidencetier.com/c/best-precision/#f-tolerance
https://evidencetier.com/c/best-precision/#f-tolerance
What this page does not do
- No adjectives. No "leading", no "top-tier". Claims cannot be verified; numbers can.
- No customer names, only sectors and size bands.
- No company self-report presented as verified. Tier D is labelled and excluded from ranking.