I-ZEN ingumkhiqizi wokuhlunga ochwepheshe wamazwe ngamazwe. Isistimu yokuphatha ikhwalithi ye-ZEN ithole ngempumelelo isitifiketi se-ISO 9001: 2008; Imikhiqizo ye-ZEN isiphumelele isitifiketi se-SGS/RoHS.
Kusukela yasungulwa ngo-2007, iShandong ZEN Cleantech isibe ngumkhiqizi wokuhlunga umoya womhlaba wonke. I-ZEN iyibhizinisi lobuchwepheshe obuphezulu elihlanganisa i-R&D, ukukhiqiza, ukuhlola nokuthengisa, futhi inzuzo yalo yonyaka ifinyelele kumayuan angama-80,000,000. Imikhiqizo ye-ZEN yamukelwa kabanzi ngabasebenzisi base-Europe, Asia nezinye izifunda. Ithimba le-ZEN lizibophezele ekusebenzeni namakhasimende emhlabeni wonke ukuze kuzuzwe izixazululo ezingcono kakhulu zokuhlunga komoya.