西门子SIEMENS压力开关：QPL25.003,QPL25.010,QPL25.050,QPL25.150,QPL25.500西门子SIEMENS压力传感器：QBE2000-P1，QBE2000-P2，QBE2000-P4，QBE2000-P5，QBE2000-P10，QBE2000-P20，QBE2000-P40，QBE9000-P10，QBE9000-P16，QBE9000-P25，德国KromSchroder霍科德燃气压力开关：shanghai***g02154832788，DG6U-3Z,DG10U-3Z,DG50U-3Z,DG150U-3Z,DG500U-3Z,DL8K-1,DG6U-3,DG10U-3,DG50U-3,DG150U-3,DG500U-3，DL4K-1美国HONEYWELL霍尼威尔燃气压力开关：C6097A2110，C6097A2210，C6097A2310，C6097A2410，C6097A2200，C6097A2300，C6097A2400)