natuna 4dNATUNA 4D menjadi perusahaan terkemuka dalam layanan waterproofing dan injeksi beton di Indonesia, dikenal karena kualitas layanan dan kepuasan pelanggan.The Natuna Islands have a land area of 264 thousand square kilometers, and a sea area of 262 thousand square kilometers. In total there are 154 islands, with 27 inhabited islands, and 127 small uninhabited islands. In this 4D3N tour