Q: What is the minimum order quantity of your products?
A: Contract value bigger than $50

Q: What is your payment terms?
A: 100% T/T in advance; Western Union; Paypal for small remittance

Q: What is your products lead time?
A: 1). 2-3 working days if for stock.
2). 10-15 days if for customization

Q: How long is the delivery time?
A: 1). It will take EMS 4-7 days and DHL,Fedex to European and North American regions.
2). The actual time depends on destination.

Q: What we should do if your products can not run well?
A: 1). Give us detailed report and we will do the analysis.
2). If it’s our problem and is unable to solve it, we promise to offer refund.

Our Service:
1. We provide life-long after sale service.
2. Goods will be sent again for free in case of loss or damaged during transportation.
3. We cooperate closely with experienced transportation agent, shipping companies/air lines to ensure the shortest shipping time at the latest available freight.
4. All enquiries and quote requests about our products will be replied within 24 hours.
5. All problems faced by our customers will be taken and solved promptly.
6. For any other question, please send them to our service Email: sales@nanoparticles-microspheres.com

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