Vu Tram Son La LTD Address: No 61, Khoi 8, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500569555 Phone: 01694796959; 0394796959 Representative: Ha Ngoc Hai Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 24 - 7 - 2018