N'October na-esote, Tianjin Youfa ga-aga ihe ngosi 5 n'ụlọ na mba ọzọ iji gosi ngwaahịa anyị, gụnyere carbon steel pipe, igwe anaghị agba nchara, ọkpọkọ ígwè welded, ọkpọkọ galvanized, ọkpọkọ ígwè na akụkụ anọ, spiral welded pipes, ọkpọkọ ọkpọkọ na scaffolding. ngwa a...
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