Achang people absorbed the Ming government army 's weapon manufacturing technology and evolved a unique Husa knife forge craftsmanship reached a its peak in early twentieth Century .
Craftsmanship matured during the late Ming Dynasty and early Qing Dynasty ( around 1600 - 1680 ) .
Achang people absorbed the Ming government army 's weapon manufacturing technology and evolved a unique Husa knife forge craftsmanship , which matured during the late Ming Dynasty and early Qing Dynasty ( around 1600 - 1680 ) , reached a its peak in early twentieth Century .