Head Office
Address: 79/349,350 1st, 2nd Floor, Sathupradit Rd., Chongnonsee, Yannawa, Bangkok 10120, Thailand
Tel: +66.2.213.2999
Email: contact@sonic.co.th / admin@sonic.co.th
Website: https://sonic.co.th/en/contact-3/
Facebook: https://www.facebook.com/SonicInterfreightPublicCompanyLimited/
Linkedin: https://www.linkedin.com/company/grandlink-logistics-co-ltd-/