PT. Surrama Tridaya Mandiri adalah perusahaan yang bergerak dalam bidang usaha importir , distributor alat-alat instrument : flowmeter, gas detector, control valve, safety valve, pressure reducing valve, dll
DN 4 (1/8") up to 50 (2") variousthreaded connections, heat insulation shell, ther DVGW approval for gas DVGW approval MOP5 and drinking water according to DIN EN 13828
