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national sales hotline：400-622-0516
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tel   ：0635-2837918
fax   ：0635-2837966
e-mail：xgm1982@126.com
mob  ：13963582552
add   ：panzhuang industrial park , linqing city, shandong province
quality certification
quality certification
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add：panzhuang industrial park,linqing city, shandong province   www.hrtzc.com   technical support：
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