Mndandanda wa EA ndi wachumamakina oyezera masomphenya okhapaokha opangidwa ndi opangidwa ndi Chengli Technology.Itha kukhala ndi ma probes kapena ma lasers kuti mukwaniritse muyeso wolondola wa 2.5d, kubwereza kubwereza kwa 0.003mm, ndi kuyeza kwa (3+L/200)μm.Amagwiritsidwa ntchito poyezera matabwa a PCB, galasi lathyathyathya, ma modules amadzimadzi a kristalo, nkhungu za mpeni, zipangizo za foni yam'manja, mbale zophimba magalasi, nkhungu zachitsulo ndi zinthu zina.