Nam Son Phu Tho Company Limited
Số nhà 160, Đường Đồi Cam, Phường Thanh Miếu, Viet Tri City
Future Generation Phu Tho Company Limted
Khu 1, Xã Phú Hộ, Phu Tho Town
Dai Dong Tea Production and Export Limited Company
khu 6, Thị trấn Thanh Ba, Thanh Ba District
Hoa Quynh Company Limited
Khu 8, Xã Đồng Xuân, Thanh Ba District