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
various series, DN 4 (1/8") to 100 (4") differentthreaded connectionswith full and reduced bore pressure ratings up to PN 65,gas DVGW approval MOP5 various seriessilicone-free
