Ssoe Phu Tho Tea Company Limited
Xóm Đép, Xã Văn Luông, Tan Son District
Thiên Phú Tea Joint Stock Company
Số nhà 3B, tổ 11A, khu 6, Phường Gia Cẩm, Viet Tri City
Viet Nam Khanh Linh Tea Group Joint Stock Company
Khu 10, Xã Ngọc Đồng, Yen Lap District