Frequently Asked Questions
Common questions about Tienki products and services
Shipping & Delivery
Q: How long does shipping take?
A: In-stock items ship within 48 hours. OEM/custom orders take 5-10 days depending on quantity.
A: In-stock items ship within 48 hours. OEM/custom orders take 5-10 days depending on quantity.
Q: Which carriers do you use?
A: We will choose a suitable and efficient shipping carrier for your order. In most cases, you can receive your package within 7-15 days.
A: We will choose a suitable and efficient shipping carrier for your order. In most cases, you can receive your package within 7-15 days.
Product & Warranty
Q: Do your products have a warranty?
A: Yes, all products come with a 6-month warranty. Shipping costs are the customer's responsibility.
A: Yes, all products come with a 6-month warranty. Shipping costs are the customer's responsibility.
Q: How do I contact after-sales support?
A: Email info@tienki.com. We respond within 24 hours.
A: Email info@tienki.com. We respond within 24 hours.
Q: Do you accept returns?
A: Yes, returns are accepted within 7 days after the package is delivered.
A: Yes, returns are accepted within 7 days after the package is delivered.
Wholesale & Custom Orders
Q: What is the minimum order quantity (MOQ)?
A: Standard models: 100 units. OEM/ODM: 500-1000 units. Contact sales for details.
A: Standard models: 100 units. OEM/ODM: 500-1000 units. Contact sales for details.
Q: Can I put my own brand on the products?
A: Yes! We support OEM/ODM including custom packaging, manuals, and silk-screen logos.
A: Yes! We support OEM/ODM including custom packaging, manuals, and silk-screen logos.
Q: Do you provide product certifications?
A: Yes. CE, FCC, ROHS certification documents are provided with each shipment.
A: Yes. CE, FCC, ROHS certification documents are provided with each shipment.