Thanh Tam Phu Tho Company Limited
Khu 4, Xã Đông Lĩnh, Thanh Ba District
Phung Thinh Trading and Investment Company Limited
Khu 6, Xã Phương Xá, Cam Khe District
Thiên Phú Tea Joint Stock Company
Số nhà 3B, tổ 11A, khu 6, Phường Gia Cẩm, Viet Tri City
Song Vang Tea Company Limited
Phố Phú Gia, Thị Trấn Thanh Sơn, Thanh Son District