Hao | China On-site QC

Independent China sourcing verification & on-site QC. Factory visits, pre-payment checks, product and packing inspection. Flat fees. No kickbacks. DMs open.

[Hao | China On-site QC @1Hohao]

1/ I'm Hao, an independent QC inspector based in Beijing. I spent 5 years managing suppliers and doing on-site acceptance for exhibition projects. Now I check products for overseas buyers who can't be in China. 🧵

[Hao | China On-site QC @1Hohao]

@altair_tech @hammerminer Got it - thanks for the pointer to @HammerMiner. On burn-in, do they log fails by station so those units stay out of the ship lot?

[Hao | China On-site QC @1Hohao]

@chrisbuildsdxb Makes sense to wait. When one finally clears sample + pilot, freeze a sealed twin and write lot-fail criteria before the balance. Happy to share a one-page pre-balance checklist if useful.

[Hao | China On-site QC @1Hohao]

@only1Tymlez This MOQ-per-variant trap is real. Before deposit, get it in writing: mix allowed Y/N, per-color MOQ, and whether sample color = bulk dye lot. Then at PSI, count each color/size against the PI, not just total pcs. Ever had a lot where cream bags arrived as off-white?

[Hao | China On-site QC @1Hohao]

@ruima Agree — buyer diligence visits and industrial tours are different animals. A buyer-paid QC walk is evidence: match the line to the PI, pull random units mid-process, check drop notes. On diligence visits, do factories resist random carton pulls?

[Hao | China On-site QC @1Hohao]

@passportsss Seeing the line in person changes how you manage the next PO. While locking the new SKU, ask them to hold one golden sample from this run and photo the packing method before cartons close — that's what bulk usually drifts from. Which station surprised you most?

[Hao | China On-site QC @1Hohao]

Photos show one unit. A signed, sealed sample gives you a reference. Keep one approved unit, leave a signed twin at the factory, and inspect bulk against it. It won't guarantee quality, but it usually makes "that's what you approved" disputes much easier to settle.

[Hao | China On-site QC @1Hohao]

Photos lie. Sealed samples don't.

Order the sample from the production mould, sign and seal the one you keep, and leave a signed twin at the factory. Then bulk has something to be compared against.

Receive + measure in Beijing from $40.

[Hao | China On-site QC @1Hohao]

@HansatoGlobal Solid list. I'd add one more before the balance: packed carton L x W x H + gross weight, with the carton ID visible in the photo. Freight quotes and FBA inbound disputes often come down to exactly that.

[Hao | China On-site QC @1Hohao]

@shenyshawn22 That "one reliable China-based person" is the part most overseas teams underestimate. Worth making sure that person is paid by the buyer, not the factory, and walks the line before the balance is wired. Who fills that role for teams you met?

[Hao | China On-site QC @1Hohao]

@zyadelgoharyx Great playbook. Cracked screens are where a China-side check pays off: agree packaging test conditions with the supplier in writing, check packed units against them on video before shipping, and treat any part swap as a new lot.

[Hao | China On-site QC @1Hohao]

@Superheat_xyz Congrats on first production leaving the factory. Before the next batch, I'd lock two things: packed carton weight with the carton ID in frame, and a sealed twin of the approved unit. What still differs from your last sample?

[Hao | China On-site QC @1Hohao]

5/ First 3 clients get 50% off. DM me your product + order size and I'll tell you what I'd check. 📩

[Hao | China On-site QC @1Hohao]

1/ I'm Hao, an independent QC inspector based in Beijing. I spent 5 years managing suppliers and doing on-site acceptance for exhibition projects. Now I check products for overseas buyers who can't be in China. 🧵

[Hao | China On-site QC @1Hohao]

4/ Good fit if you sell on Amazon, Shopify or crowdfunding, or import small batches and have never visited your supplier.

[Hao | China On-site QC @1Hohao]

@MikeyPesto What changed between the first and second samples: the components, the printed artwork, or the box/insert fit?

[Hao | China On-site QC @1Hohao]

@prakdadlani For the quality checks you still handle, what do you require from the buyer before accepting the job: an approved sample, written specifications, or both?