Contact Constar Factory
Accepting new inquiries · Response in 12h
Let's talk business. Send us your brief — we'll respond with a sourcing proposal within 12 hours.
Direct Channels
Choose what works
for you.
For fastest response, reach us directly on WhatsApp. Email works great for detailed briefs, specs, and packaging artwork.
WhatsApp · Fastest
+852 5710 7731
Email · Detailed inquiries
info@constarfactory.com
constarfactory@gmail.com (Back Up Mail)
Response hours
Monday — Saturday
09:00 – 18:00 GMT+8
Languages
English · Mandarin
Native-level business communication
Send Inquiry
Request a
sourcing proposal.
Takes less than a minute. Our team replies with a custom proposal and sample timeline.
We reply within 12 hours on working days.
Your information is kept strictly confidential.
Your information is kept strictly confidential.
Common Questions
Before you
get in touch.
Quick answers to what most buyers ask in their first email. More detailed questions? Reach out directly.
01 / MOQ
What's your minimum order quantity?
1000 pieces per SKU. Ideal for testing new markets
or launching a new private-label brand. Larger volumes benefit
from tiered pricing — details shared on inquiry.
02 / SAMPLES
Do you charge for samples?
Samples are free. We typically dispatch physical
lens samples within 10 days of inquiry. Buyers cover
international shipping; courier accounts accepted.
03 / LEAD TIME
How long from order to shipment?
55 days end-to-end — from signed order to shipment
via DHL, FedEx, or sea freight. Full CE and ISO compliance
documentation included with every consignment.