An kafa shi a shekarar 2009, LETO ya sadaukar da kai ga kayan gwajin nazarin hadaddun bayani, tare da kasancewa daidai da ra'ayin kasuwanci na "mutunci, inganci, abokin ciniki fifiko", don samar da abokan ciniki da manyan kayan aikin kayan gwajin kayan aiki na duniya, musayar ƙwarewa da musayar ƙwarewa a fannin gwajin kayan aiki, da kuma cikakken saitin goyon bayan sabis kamar shawarwari na fasaha kafin tallace-tallace, ingantaccen tsari na tallace-tallace da daidaitaccen sabis bayan tallace-tallace. Kayayyakin wakilin Leadto sune: Amurka Buehler, Amurka Wilson, Japan Shimazu, Jamus Leica, Carbolite * Gero, Jamus Eltra, Jamus Retsch, Jamus Microtrac MRB, Canada Creaform, Jamus Memmert, Koriya ta Kudu EM Corte, Netherlands TQC da sauransu, duk sune sanannun kayayyakin duniya, tare da fiye da shekaru 50 na ƙwarewar samarwa da aikace-aikace. Liaotong yana da cikakken kayan aiki dakin gwaje-gwaje da kuma karfi aikace-aikace tawagar, aikace-aikace injiniyoyi duka daga kayan Koban, duka da wadataccen aiki kwarewa, tabbas zai iya samar da ku da cikakken aikace-aikace mafita. LETOR nuna wadataccen fasaha kwarewa da kuma amintaccen kasuwanci bashi, koyaushe ji dadin babban daraja a cikin masana'antu. Liutou kasuwanci ne kafa a kudancin kasar Sin, ci gaba zuwa kudu maso yammacin, tasiri a dukan kasar. Abokin ciniki sun hada da kasuwanci rukunin, kimiyya bincike jami'o'i da kuma da yawa fannoni sanannun kamfanoni, abokin ciniki kungiyoyin da suka shafi masana'antu ciki har da karfe, motoci, kayan aiki, PCB、 lantarki, filastik, gilashi, lu'ulu'u, sararin samaniya, sabon makamashi, magunguna, wutar lantarki da sauransu. Sunan abokan tarayya, fadada nan gaba - LETOR zai ci gaba da samar da mafi ingancin sabis da mafi cikakken mafita ga abokan ciniki tare da karfi karfi, amincewa, kiyaye kwangila, kiyaye inganci.