Wirausaha: Saya sangrai Kopi Arabica dari Dairi, Taput, Samosir, Humbanghas, Toba, Simalungun, Pakpak Bharat, Karo, Tapsel. Merek dagang: Mettle Coffee. Mohon klik subscribe, like dan bagikan. Terima kasih. Saya, Prof. Dr. Ir. Sabam Malau Pemilik Wirausaha Mettle Coffee *********** Entrepreneur: I'm roasting Arabica coffee from Dairi, Taput, Samosir, Humbanghas, Toba, Simalungun, Pakpak Bharat, Karo, Tapsel. Trademark: Mettle Coffee. Please click on subscribe, like and share. thanks. Me, Prof. Dr. Ir. Sabam Malau The owner of Entrepreneur Mettle Coffee