CONTACT CALTROS
Let’s talk packaging.
A material question, a packaging brief or your next order. Start the conversation here.
Contact information
- Caltros316@gmail.com
Send your specifications or project brief.
- Phone
- +86 195 0587 7792
Call during business hours (GMT+8).
- Alva_sss
Search this ID in WeChat to add us.
- Location
- Wenzhou, Zhejiang, China
Caltros is based in Wenzhou.
- Response Time
- Monday–Friday · 9 AM–6 PM (GMT+8)
Expect a response within 24 hours of your inquiry.
Send us your details

Tell us what you need to pack.
Use the inquiry form to share the details of your project. Include specifications you already have; tell us what still needs to be discussed.
Useful details to include
- Contents and intended application
- Dimensions, material or packaging format
- Quantity and delivery destination
Opens the full packaging inquiry form.
