Ky Thuat Tu Dong Hoa Iot Joint Stock Company Address: No 01a, Lane 5, Street 8/3, Civil Group 5, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500649200 Phone: 0985816269 Representative: Vu Quang Phuc Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 17 - 1 - 2023