Yawancin lokaci, bayan da aka tattara da'ira da kuma kammala AOI da kuma duba bayyanar, yawanci muna ba da shawarar abokin ciniki don samar da cikakkiyar hanyar gwaji don yin gwajin aiki na ƙarshe akan allon da aka gama kafin marufi da jigilar kaya ta kamfaninmu.
PHILIFAST tana da ƙwararrun ƙungiyar Gwajin Aikin PCB (FCT).Gwajin aiki yana ba mu damar nemowa da gyara gazawar sassa, lahani na taro ko yuwuwar matsalolin ƙira kafin jigilar kaya, da yin ingantacciyar matsala da kiyayewa.
Ta wannan hanyar ne kawai za a iya tabbatar da ingancin samfuran abokan ciniki 100%.Gwajin aikin shine musamman don guje wa matsalolin haɗuwa, gami da gajerun da'irori, buɗaɗɗen da'irori, abubuwan da suka ɓace ko sassan da ba daidai ba.