Inkampani idlulisile isiqinisekiso senkqubo yolawulo lomgangatho we-1994, 2000, 2008, ISO14001 - 2004, kunye no-OHSAS18001 - 2007 isatifikethi senkqubo yolawulo lwezempilo kunye nokhuseleko, eyilwe yaza yaphuhliswa imibhobho ye-PEX, iivalve zebhola, kunye neevalve zekona nazo eziveliswa kumazwe North American kunye nemimandla NSF, CSA, UPC, ul kunye nezinye imveliso. Ukuqinisekiswa kwemveliso.