Changsha Haochang Machinery (HC Enginepart) iChina-based inogadzira uye inotumira kunze kweinotsiva piston mhete dzeMAN B&W mbiri-stroke yakaderera-inomhanya-ichimhanyiro yemvura yedhiziri injini, kusanganisira iyo MC-C uye ME-C yakatevedzana. HC inogadzira zvindori zvepiston kubva kumasamples evatengi kana mifananidzo, ine dhayamita yekuvhara kubva φ30 kusvika 800 mm - inosanganisira MAN B&W mhando dzakadai seS50MC-C (500 mm bore), S60MC-C (600 mm), S70ME-C (700 mm), uye S80ME-C (800 mm). Mhete dzepiston dzese dzinogadzirwa kune OE yakatarwa pasi pe ISO 9001:2015 mhando system. Idzi injini dzinoshanda sechifambiso chikuru pangarava hombe dzemidziyo, zvinotakura zvakawanda, uye matangi.