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
Pneumatic control valves for throttling, mixing, and distribution of liquid-, gas- and steam-shaped media in transit and three way form DN 15.400, PN 16.160; 1"...12", CL 150...900
