Injin Matsakaicin Tasha Uku na PLA wani nau'in inji ne na thermoforming wanda ke amfani da matsa lamba da zafi don siffata kayan filastik. Ya ƙunshi tashoshi daban-daban guda uku: tashar dumama, tashar kafa, tashar yanke.
Injin Matsakaicin Matsakaicin Tasha Uku na PLA wata hanya ce mai dacewa kuma mai inganci don ƙirƙirar samfuran filastik masu inganci.