PT. KALSA Triapsara Utama We are Authorized Distributor of Master Lock Indonesia and American Lock, LOTO, safety padlock and security padlcok. We serve suppliers and large companies throughout Indonesia. Master Lock products serve to protect workers from energy hazards. LOTO is used when the maintenance process to avoid work accidents. Master Lock system meets OSHA 29 CFR 1910.147 standards since 1989. We have been serving many industries such as Oil and Gas, Mining, Energy, Heavy Equipment and Manufacturing, etc.PT. KALSA Triapsara Utama Jl. Boulevard Kota Wisata, – Kota Wisata Ruko Sentra Eropa Blok A/24 Cibubur, JakartaPhone : (021) 8494 1148 Fax : (021) 8494 1148 HP : 0811-1008-258 HP : 0811-1008-547 Email : support@kalsatriapsara.comWhastapp : 0811-1008-258Authorized Master Lock Distributor, American Lock