01 / identity
Company and factory scope
Confirm that you are speaking with the manufacturer responsible for design, fabrication, assembly and inspection.
- Company identity and contact point
- Shanghai factory capability summary
- In-house process photos
Supplier evaluation file
A shortlist packet before the full RFQ
Use this page to understand what Jinxiu can share before drawings are released, so purchasing, quality and engineering teams can judge supplier risk earlier.
Sourcing proof
The file is built around what buyers must verify.
A strong supplier reply should connect factory capability, measured acceptance and export handoff. The packet gives your team the evidence trail before a technical quote consumes time.
Packet matrix
What the supplier file can include
Exact attachments depend on project type and confidentiality, but the structure is stable enough for an internal shortlist review.
02 / capability
Manufacturing and QC evidence
Show how acoustic rooms, metalwork, fixtures and custom assemblies are produced and checked before delivery.
- CNC, welding, forming and assembly proof
- Inspection workflow and equipment
- Applicable report or calibration references
03 / acceptance
Measured-result acceptance
Connect the proposal to measurable values such as dBA, NC, Rw, IL or fixture test criteria.
- Acceptance wording examples
- Comparable measured outcomes
- On-site test or calibration context
04 / handoff
Comparable project and export handoff
Help your internal team judge whether Jinxiu has handled similar project risk and overseas coordination.
- Comparable case references
- Packing and installation handoff notes
- Response path for engineering follow-up
Confidentiality
Shared as a review packet, not a public data dump.
Some customer names, addresses, certificates and test pages may need redaction before they can be sent outside a controlled sourcing conversation.
- Customer-sensitive project evidence can be summarized or redacted.
- Third-party reports are shared only where publication or forwarding is appropriate.
- For stricter procurement workflows, request an NDA before detailed attachments.
How to request it
Three inputs make the packet more useful
You can request the file before a finished specification. A little context lets us choose the right evidence.
- 01
Tell us what you are sourcing
Acoustic room, anechoic chamber, soundproof box, fixture, PCB test card, cable or mixed program.
- 02
Share the review context
Let us know whether purchasing, quality, engineering or management will review the packet.
- 03
Add target and destination
Target dBA / NC / Rw, fixture interface, quantity, country and timing help us attach comparable proof.
Next step
Ask for the supplier file together with your first RFQ.
The contact form will mark the request clearly, so the reply can include the review packet instead of a generic catalog.