Detail Sinyal Asap Mengapung Buoyant smoke signal - working time > 3 min - validity period 3 years - CCS/ EC approval Contact Us :   Jl. Cikunir Raya No. 62 , Jakamulya – Bekasi Selatan 17146 Phone : 021. 82435884 Mobile:   Agustinus d.k                     0851-0057-6760                     0818-0784-7373