Proof Center
Evidence You Can Verify
Every claim Stavalk makes about its factory, capacity, certifications and quality is backed by documentation, photos and test records you can audit — no black boxes.
Stavalk is a factory-owned bench vise manufacturer in Qingdao, China, with an 8,000 m² facility, 200+ workers and 80,000+ vises per year. All certification, capacity and quality claims are supported by timestamped production records, lab reports and third-party inspection options accessible to buyers.
Specifications verified: 2026-09-01One Legal Chain, One Factory
Three trading names, one owning entity — so goods, documents and liabilities line up.
Manufacturing Entity
The factory in Qingdao owns casting, machining, heat treatment, coating and assembly.
Trading Entity
Handles export documentation, invoices and buyer communication for the same factory.
Registered Brand
The brand under which standard series and private-label orders are shipped.
One Chain
All three names sit under a single legal ownership, keeping liability, quality and traceability aligned.
Verifiable Factory Stats
Certificates & Scope
- CE — EN ISO 12100 and MD 2006/42/EC for machinery safety.
- ISO 9001:2015 — quality management system across the factory.
- ISO 14001 — environmental management in manufacturing.
- RoHS — restricted substances compliance.
Scanned certificates with scope are available on request before order.
Evidence Folders
Four categories of auditable records a buyer can request.
Equipment & Facility
Factory floor photos, casting and machining equipment lists, and line documentation.
Production Gates
Timestamped in-process photos at casting, machining, heat treatment and coating.
Lab Reports
Spectrometer chemistry, Rockwell hardness, clamping-force and salt-spray results.
Traceability
Batch records linking material lots to finished serial numbers.
Batch Traceability Chain
Every order carries a traceability chain from raw material to finished product:
- Material intake — gray cast iron and steel grades logged with certificate of conformity.
- Casting lot — spectrometer validation and heat number recorded per cast.
- Machining & heat treatment — process parameters and hardness results logged per batch.
- Final inspection — 7-stage checklist and test records tied to the shipping batch.
Buyers with signed agreements can request anonymized record samples covering each gate.
FAQs
Can I visit the factory?+
Yes. We welcome factory visits and factory audits to our facility in Qingdao, China.
What evidence can I request before ordering?+
Scanned certificates, factory and equipment photos, lab reports and anonymized traceability records.
Who performs third-party inspection?+
SGS, TÜV, BV or Intertek, arranged by you or us, at the factory before shipment.
Are the statistics verified?+
Factory floor space, headcount and capacity are documented and corroborated during on-site audits.
Audit the evidence yourself
Request evidence folders, book a factory visit, or start an order — our team in Qingdao is ready to open the doors.