Kampaniyo yadutsa 1994, 2000, 2008 ISO9000 Quality Management System certification, ISO14001 - 2004 Environmental Management System certification ndi OHSAS18001 - 2007 Occupational Health and Safety Management System certification, zodzipangira zokha komanso zopangidwa ndi mapaipi a PEX, ma valve apakona ndi ma valve apakona. opangidwa m'maiko aku North America ndi zigawo za NSF, CSA, UPC, UL ndi zina.Chitsimikizo chazinthu.