Polyfill Yen Bai Joint Stock Company Address: Phia Nam Industrial Zone, Van Phu Commune, Yen Bai City, Yen Bai Province Enterprise code: 5200935578 Phone: 0916335226 Representative: Phan The Tong Adress: Phu Lap Hamlet, Tam Phuc Commune, Vinh Tuong District, Vinh Phuc Province Van Phu Commune, Yen Bai City, Yen Bai ProvinceFounding date: 9 - 3 - 2023