Sehlopha sa rona sa liofisi tsa hlooho se Qingdao, k'hamphani ea 'mè ke khoebo ea' muso e thehiloeng ka 1951, e nang le metheo e meraro ea tlhahiso e koahelang sebaka sa lisekoere-mithara tse 500,000;e na le lihlahisoa tse kholo tse fetang 20 tsa sejoale-joale Workshop, joalo ka ho lahla, machining, welding, kalafo ea mocheso le forging, lisebelisoa tse fetang 1,200 tsa lisebelisoa tsa tlhahiso, ho kenyeletsoa lihlopha tse 10 tsa mela ea tlhahiso ea lirolara, lihlopha tse 4 tsa mela ea tlhahiso ea mabanta;basebetsi ba fetang 400 ba boenjiniere le botekgeniki, ho kenyelletsa le baenjiniere ba fetang 200 ba bohareng le ba phahameng, matla a matla a botekgeniki, a nang le lipatlisiso tse matla le nts'etsopele, moralo oa sehlahisoa le bokhoni ba Tlhahiso.
