
Full report before final payment and shipment
A random inspection of 50 units from 1,660 completed units. The report includes all findings, tests, measurements, packing, tools and attachments, with 95 redacted inspection photos.
Pre-shipment Inspection Reports
Structured reports documenting the sample, quantity, dimensions, functions, packing and defects, with a clear professional result within the agreed scope.
Redacted public sample
A complete 30-page sample covering AQL, SPA, OBS, measurements, tests, tools, attachments and photos, published after factory and client data was redacted.

A random inspection of 50 units from 1,660 completed units. The report includes all findings, tests, measurements, packing, tools and attachments, with 95 redacted inspection photos.
AQL defines statistical acceptance limits for the sample, SPA describes the sampling plan and OBS indicates a finding requiring a decision or follow-up. Inspection describes the sample and agreed scope; it does not guarantee every unit or hidden defects.
Request product inspection →Inspection timing
Review materials, sample and readiness before mass production.
Assess production progress and findings before completion.
Inspect quantity, packing, appearance and functions within scope.
SinoLine starts by understanding your needs
Open an import request. Our team will review the product, specifications and quantity before sourcing and pricing.