Waverley brownall idakhazikitsidwa mu 1910 ndipo likulu lawo ku Essex, England. Ndiwopereka zinthu zamafakitale opangidwa ndiukadaulo. Misika yayikulu ikuphatikizapo United Kingdom, Italy, Netherlands, Russia, etc., kuti apatse makasitomala zida zapamwamba zazitsulo zosapanga dzimbiri zosapanga dzimbiri, magawo oponderezedwa ndi amodzi.
Zogulitsa zimaphatikizapo mavavu a mpira, ma valve cheke, mavavu a singano, mapaipi, ndi zina zotero. Mankhwalawa amapangidwa makamaka ndi zitsulo zosapanga dzimbiri 316 ndi ma aloyi ena apadera azitsulo.
Waverley brownall ali ndi BS ISO9001 ndi Lloyds certification.

GC idakhazikitsidwa mu 1934 ndipo ili ndi zaka zopitilira 80 zopanga zitsulo zosapanga dzimbiri zomwe zili m'mapaipi, zomwe zimapereka njira zosagwira dzimbiri pakuwongolera njira zonse.
Zogulitsa zimaphatikizapo mavavu a mpira, ma valve a zipata, ma valve padziko lonse lapansi, ma valavu oyendera, ma valve oyendetsa zitsulo zosapanga dzimbiri, ma flanges ndi mapaipi ena, kuti akupatseni njira zina zogulira magalimoto.

ISIS idakhazikitsidwa mu 1991 ndipo imagwira ntchito kwambiri popanga ndi kunyamula ma valve a hydraulic. Zaka 30+ zankhondo ndi ndalama zapanga ISIS kukhala m'modzi mwa akatswiri aku UK a hydraulic valve process valve.
Zogulitsa zimaphatikizapo mavavu a mpira, ma valve agulugufe, mayankho a pneumatic, mavavu amagetsi, mavavu a pachipata, ma valavu a globe, ma valve obwerera, zida, ndi zina zambiri, zomwe zimapereka mayankho pakuwongolera kwanu.
ISIS ili ndi malo osungiramo zinthu zapamwamba, zida zogwirira ntchito zomwe zimagwiritsidwa ntchito payekha, kuyesa kupsinjika, ndi zina.

Butler Valves ndi opanga ku UK komanso ogulitsa zinthu zamafakitale, kupereka mita, gasi ndi zowonjezera m'mafakitale osiyanasiyana. Zogulitsa zimapangidwa motsatira miyezo ya BS EN ISO 9001.

Ndi zaka zopitilira 20, a Butler Valves amatha kumvetsetsa zosowa zamakampani ndikukupatsirani njira zoyenera zowongolera.

Pipeline Products ndi wogulitsa kunja mapaipi, zopangira ndi mapaipi omwe ali ndi zaka 35+ zamakampani. Yankho limapereka njira zothetsera ukhondo wamapaipi. Masomphenya awo ndi oti akhale njira yodalirika yopangira mapaipi a ukhondo m'mafakitale azakudya, mkaka ndi mowa.
Zogulitsa zimaphatikizapo ukhondo, mapaipi, zolumikizira, ndi zina.