
Global Network
Subsidiary Company
Cosmo is a family-owned and -managed group founded in 1964 by Chairman Chairod Mahadumrongkul. The group comprises three decentralized packaging production sites—located in Bangkok, Thailand, and Hainan, China—and maintains a sales office in Biel/Bienne, Switzerland.



COSMO GROUP (HEAD OFFICE)
COSMO INDUSTRIES CO., LTD.
Based in
Bangkok
Thailand
Since : 1964
Site area : 3.25 Acres
A centralized production site for watch dials, cases and metal parts.



COSMO SWISS
Based in
Bienne
Switzerland
Since : 1967
Sale office of watch component & technical products for Switzerland market.



PRIME BOX MFG., LTD.
Based in
Samut Prakan
Thailand
Since : 1986
Site area : 40.28 Acres
A centralized production site for
Boxes & Displays



COSMO PUSTERLA 1880
Since : 2025
Sales & Distribution of packaging and display for the Switzerland market.




