Neunkirchen, Saarland, November 22nd, setsi sa pele sa koetliso ea mose ho maoatle bakeng sa baenjiniere le litsebi tsa China Concrete le Cement Products Association (eo hamorao e tla bitsoa "CCPA") - Eco-Concrete Masonry Materials and Engineers Training Base for Indasteri ea Lihlahisoa tsa Konkreit......
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