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      3. ?Nanchang buliding materials bearing bush factory was established in 1986. it was only one appointed professional enterprise which can produce bearing bush of grinding machine by china national buliding materials equipment corp ., ltd. After more than 20 year’s devolpment, our enterprise has passed the ISO9001:2000 quality system certificate. Also our enterprise has took part in drafting out and weaving the JC/T1000-2006which is quality standard for bearing bush of grinding machine. now it is the largest enterprise which produce bearing bush of grinding machine in china. Our assort products cover with these egine manufacture enterprise: buliding materials, heavy enginery, electricity, metallurgy, mine and etc. all these made us enjoy a high favorable comments in the craft brother enterprise.

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