N'October ruo Disemba na-esote, Tianjin Youfa ga-aga ihe ngosi 6 n'ụlọ na mba ọzọ iji gosipụta ngwaahịa anyị, gụnyere ọkpọkọ carbon steel, ọkpọkọ igwe anaghị agba nchara, ọkpọkọ igwe welded, ọkpọkọ galvanized, ọkpọkọ nchara na akụkụ anọ, ọkpọkọ welded spiral, ọkpọkọ ọkpọkọ. ma na-akpụ akpụ ...
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