Global Procurement & Project Inquiries
SOTEK Group engineering teams provide technical support, custom design verification, type test dossier preparation, and fast quotation turnaround for utility grid operators, EPC contractors, and global distributors.
Technical Sales Hotline
Direct connection with our international B2B sales engineers for rapid response.
Engineering RFQ Email
Send complete project specifications, tender requirements, and CAD requests.
Factory & Plant Location
Tien Son Industrial Park, Dong Nguyen Ward, Tu Son City, Bac Ninh Province, Vietnam.
Operational Hours
Manufacturing & Export Logistics Department active operational schedule.
Verified B2B Engineering Capabilities & Quality Compliance
SOTEK Group specializes in designing, manufacturing, and exporting high-performance distribution transformers up to 21,000 kVA and 69 kV class. Serving national utilities such as EVN (Vietnam) and Aboitiz Power (Philippines), every unit is engineered in full compliance with IEC 60076, IEEE C57, ANSI C57.12, and ISO 9001:2015 standards.