Thiên Phú Tea Joint Stock Company
Số nhà 3B, tổ 11A, khu 6, Phường Gia Cẩm, Viet Tri City
Khánh Linh Tea Manufacturing and Trading Joint Stock Company
Xóm Đồngb Thịnh, Xã Minh Đài, Tan Son District
Việt Hàn Production and Construction Company Limited
Khu 8, Xã Minh Hòa, Yen Lap District