DUNGS（冬斯）压力开关：LGW3A4、LGW10A4、LGW50A4、LGW150A4，GW3A5、GW10A5、GW50A5、GW150A5，GW3A6、GW10A6、GW10A6,GW150A6，LGW3A2、LGW10A2、LGW50A2，LGW3A2P、LGW10A2P、LGW50A2P、LGW150A2P。 二、DUNGS（冬斯）单电磁阀：MVD205/5、MVD207/5、MVD210/5、MVD215/5、MVD2050/5、MVD2065/5、MVD510/5、MVD515/5、MVD520/5、MVD5050/5、MVD5100/5、MVD5125/5，MVDLE210/5、MVDLE215/5、MVDLE220/5、MVDLE220/5、MVDLE2065/5,MVDLE2080/5,MVDLE2100/5, 三、DUNGS（冬斯）组合电磁阀：MB-DLE407、MB-DLE410、MB-DLE412、MB-DLE415、MB-DLE420，MB-ZRDLE407、MB-ZRDLE410、MB-ZRDLE412、MB-ZRDLE415、MB-ZRDLE420,MB-VEF412,MB-VEF415,MB-VEF42aa 四、DUNGS（冬斯）双电磁阀：DMV-D503/11,DMV-D507/11,DMV-D510/11、DMV-D520/11、DMV-D5040/11,DMV-D5050/11、DMV-D5065/11、DMV-D5080/11、DMV-D5100/11,DMV-DLE503/11,DMV-DLE507/11,DMV-DLE510/11,DMV-DLE520/11,DMV-DLE525/11,DMV-DLE5040/11,DMV-DLE5050/11,DMV-DLE5065/11,DMV-DLE5080/11,DMV-DLE5100/11,DMV-5125/11 五、DUNGS（冬斯）燃气调压器：FRS503,FRS505,FRS507、FRS510、FRS515、FRS520、FRS525,FRS5040,FRS5050、FRS5065、FRS5080、FRS5100 、FRS5125、FRS5150 六、DUNGS（冬斯）过滤器：GF507/1、GF510/1、GF515/1、GF520/1、GF40040/3、GF40050/3、GF40065/3、GF40080/3,GF40100/3,GF40125,GF40150 七、DUNGS（冬斯）检漏装置：DK2F、DSLC、VDK200A、VPS504 S02、VPS504 S04,DSLC。 燃气检漏装置：W-DK3,DSLC,LDU11,VPS504 5、燃油电磁阀：121C2323、121K2423、122K9321、321H2322、321H2520、ujtg,121V5163,E121K23,E121K64,321H7306,121K2423,122K9321,321H2322,121C2323,121G2320,XT-09,ZB15,ZH14等； SIEMENS（西门子）火焰探测器（LANDIS电眼）：QRB1、QRB3、QRC1、QRA2、QRA10、QRA4、RAR7、RAR8、LFE50、QRA50、QRA53、QRA55 QRA50M,LFE50 LFE10 QRA53.C27、QRA53.C17,QRA55.C27,QRA55.C17 LFE50,QRA50M QRA50M,LFE50 LFE10 燃气电磁阀 STE4.5 MVD5100/5S MVD2125/5S MVD2150/5S MVD203/5 MVD205/5 MVD207/5 MVD210/5 MVD215/5 MVD220/5 MVD225/5 MVD503/5 MVD505/5 MVD507/5 MVD510/5 MVD515/5 MVD520/5 MVD525/5 MVD2020/5 MVD2025/5 MVD2040/5 MVD2050/5 MVD2065/5 MVD2080/5 MVD2100/5 MVD5020/5 MVD5025/5 MVD5040/5 MVD5050/5 MVD5065/5 MVD5080/5 MVD5100/5 MVD5125/5 MVD5150/5 MVD2200 MVDLE203/5 MVDLE205/5 MVDLE207/5 MVDLE210/5 MVDLE215/5 MVDLE220/5 MVDLE225/5 MVDLE503/5 MVDLE505/5 MVDLE507/5 MVDLE510/5 MVDLE515/5 MVDLE520/5 MVDLE2020/5 MVDLE2025/5 MVDLE2040/5 MVDLE2050/5 MVDLE2065/5 MVDLE2080/5 MVDLE2100/5 MVDLE5020/5 MVDLE5025/5 MVDLE5040/5 MVDLE5050/5 ZRD407/5 ZRD410/5 ZRD415/5 ZRD420/5 ZRD4040/5 ZRD4050/5 ZRLE407/5 ZRLE410/5 ZRLE415/5 ZRLE420/5 ZRDLE407/5 ZRDLE410/5 ZRDLE415/5 ZRDLE420/5 ZRDLE4040/5 ZRDLE4050/5 MBD405B01 MBD407B01 MBDLE405B01 MBDLE407B01 MBD410B01 MBD412B01 MBDLE410B01 MBDLE412B01 MBD415B01 MBDLE415B01 MBD420B01 MBDLE420B01 MBZRD405B01 MBZRD407B01 MBZRDLE405B01 MBZRDLE407B01 MBZRD410B01 MBZRD412B01 MBZRDLE410B01 MBZRDLE412B01 MBZRD415B01 MBZRDLE415B01 MBZRD420B01 MBZRDLE420B01 MBVEF407B01 MBVEF412B01 MBVEF415B01 MBVEF420B01 MBVEF425B01 DMVD503/11 DMVD507/11 DMVD512/11 DMVD520/11 DMVD525/11 DMVDLE503/11 DMVDLE507/11 DMVDLE512/11 DMVDLE520/11 DMVDLE525/11 DMVD5040/11 DMVD5050/11 DMVD5065/11 DMVD5080/11 DMVD5100/11 DMVD5125/11 DMVDLE5040/11 DMVDLE5050/11 DMVDLE5065/11 DMVDLE5080/11 DMVDLE5100/11 DMVDLE5125/11 DMVSE507/11S20 DMVSE507/11S22 DMVSE507/11S80 DMVSE507/11S300 DMVSE512/11S20 DMVSE512/11S22 DMVSE512/11S80 DMVSE512/11S82 DMVSE512/11S300 DMVSE512/11S302 DMVSE520/11S20 DMVSE520/11S22 DMVSE520/11S80 DMVSE520/11S82 DMVSE520/11S300 DMVSE520/11S302 DMVSE507/11S20