Galdumpy, yochokera ku "GA" (yoyimira pagulu la Chitetezo cha China) ndi "lupy" (akuwonetsa galasi lodzikongoletsa mosamalitsa ku chitetezo chomwe chimalimbikitsa chitetezo cha chitetezo komanso champhamvu. Mtunduwu umapereka kudzipatulira kwathu kuti tisamalamulire komanso kuchita zinthu zowongolera.

Monga mtundu wapamwamba kwambiri wa R & D ku Toy Toy, zoseweretsa za Weijn wakhala zaka zoposa 20 zikuthandizira kupanga zikopa. Kudzera mu mgwirizano ndi mitundu yapadziko lonse, taphunzirapo mobwerezabwereza, ndikusintha, ndikubwezera matamando chifukwa chogwira ntchito molimbika, katswiri, ndi kudzipereka kuntchito.