Longquan Masu kera injinan ɗagawa ne Longquan sha'anin hadawa samarwa, bincike da ci gaba, masana'antu, da kuma tallace-tallace na Longquan dagawa kayan aiki, Longquan dagawa inji, Longquan dagawa kayan aiki da kuma ayyuka! Amintaccen inganci, fifiko farashin, m bayan- sabis na tallace-tallace, ya cancanci amincewa!