Muna ba da cikakken jerin samfuran EN877 da ASTM A888, gami da bututun ƙarfe, simintin gyare-gyaren bututun ƙarfe, manne da sauran kayan haɗi da kayan aikin shigarwa.Barka da zuwa tuntube mu.Za mu iya samar da kamar yadda ma'auni kamar EN877 / DIN19522 / ISO6594 ASTM A888 / CISPI 301, CSA B70, GB / ...
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