Optik Melawai: Customer Service: 021 532 1111. SMS: 0812 1172222. Toll Free: 0 800 1 MELAWAI (6352924). Website: www.optikmelawai.com. email: customer_service@melawai.com. Lokasi Outlet Optik Melawai di Semarang: 1. Candi Plaza Lt. Dasar, Nomor Telepon: