Masana'antar Kunshan Zhida za ta gabatar da ka'ida da tsarin sarrafa gyare-gyare ga kowa da kowa;warware shakku a zuciyar kowa.A cikin aikin gyare-gyaren busa, bayan an fesa robobin ruwa, ana amfani da karfin iska da injin ke hura don busa filas din.
Kara karantawa