STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
| Customization: | Available |
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| Certification: | CE, ISO9001 |
| Noise: | 60-70db |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Project Sample:
Air cleanliness class |
The maximum allowable number of suspended particles(pcs/ m2 ) |
The maximum allowable number of suspended microorganisms |
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≥0.5um |
≥5um |
Plank tonic bacteria(cfu/m2) |
Settling microbe(cfu/DISH) |
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100 |
3500 |
0 |
5 |
1 |
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10000 |
350000 |
2000 |
100 |
3 |
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100000 |
3500000 |
20000 |
500 |
10 |
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Cleanliness level |
DUST count/ m2 |
Microbial number/ m2 |
Ventilation rate/h |
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≥0.5um |
≥5um |
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10 000 Class |
≤350 000 |
≤2 000 |
≤100 |
≥20 TIME |
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100 000Class |
≤3500 000 |
≤20 000 |
≤500 |
≥15 TIME |
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