Contact Us | Siam Sun Autosales Co., Ltd.


Contact Information: Siam Sun Autosales Co., Ltd. (Headquarters, Nakhon Pathom) & 9 Branches Nationwide


Siam Sun Autosales Co., Ltd. is an authorized distributor of heavy machinery in Thailand, including DEVELON excavators (formerly Doosan), XGMA wheel loaders, and forklifts. We offer end-to-end services, including new machine sales, genuine spare parts, and standard maintenance. Our headquarters is located in Sam Phran District, Nakhon Pathom Province, supported by a network of service centers and Mobile Service teams across 9 branches nationwide to serve construction, mining, industrial, and agricultural sectors efficiently.
• Headquarters Address: 99 Moo 2, Borommaratchachonnani Rd., Song Khanong, Sam Phran, Nakhon Pathom 73210, Thailand
• Sales Department: +66 86-302-1778 | Parts Department: +66 86-303-1778 | 24/7 Service Line: +66 86-307-1778
• Email: sales.admin@siamsunautosales.com | Line Official: @siamsun

Siam Sun Autosales Co., Ltd. (Headquarters)

99 Moo 2, Borommaratchachonnani Rd., Song Khanong, Sam Phran
Nakhon Pathom 73210, Thailand

📞 Get in Touch
Sales Dept : +66 86-302-1778
Parts Dept : +66 86-303-1778
Service Dept : +66 86-307-1778

✉️ Email: sales.admin@siamsunautosales.com

Social Media Channels


Facebook: Develon XGMA by Siam Sun
Messenger: m.me/siamsun.th
Line OA: @siamsun (Add Friend)
Instagram: @siamsunautosales
TikTok: @siamsun.autosales
YouTube: Develon XGMA by Siam Sun


    Products & Services from Siam Sun Autosales

    Explore our heavy machinery catalog, DEVELON excavators, XGMA wheel loaders, and aftermarket support via the links below:

    Siam Sun Autosales & Service Network across 9 Branches

    Siam Sun Autosales Co., Ltd. (Headquarters)

    99 Moo 2, Borommaratchachonnani Rd., Song Khanong, Sam Phran, Nakhon Pathom 73210, Thailand

    Sales Dept : +66 86-302-1778
    Parts Dept : +66 86-303-1778
    Service Dept : +66 86-307-1778

    Siam Sun Autosales Co., Ltd. (Chiang Mai Branch)
    222/5 Moo 11, San Na Meng, San Sai District, Chiang Mai 50210
    Phone: +66 86-328-1778


    Siam Sun Autosales Co., Ltd. (Phitsanulok Branch)
    Service and Maintenance Hub covering Lower Northern Region, Phitsanulok Province


    Siam Sun Autosales Co., Ltd. (Khon Kaen Branch)
    233 Moo 8, Mittraphap Rd., Tha Phra, Mueang Khon Kaen District, Khon Kaen 40260
    Phone: +66 65-105-4528


    Siam Sun Autosales Co., Ltd. (Buriram Branch)
    138 Isan, Mueang Buriram District, Buriram 31000


    Siam Sun Autosales Co., Ltd. (Ubon Ratchathani Branch)
    231 Kham Nam Saeb, Warin Chamrap District, Ubon Ratchathani 34190


    Siam Sun Autosales Co., Ltd. (Saraburi Branch)
    9 Moo 4, Thap Kwang, Kaeng Khoi District, Saraburi 18260
    Phone: +66 63-210-1778


    Siam Sun Autosales Co., Ltd. (Thung Song Branch)
    513 Moo 2, Tham Yai, Thung Song District, Nakhon Si Thammarat 80110
    Phone: +66 86-327-1778