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QING SHAN INDUSTRIAL CO.,LTD.

清山實業有限公司

Last Updated: 2015-07-13 11:16
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About Us

QING SHAN INDUSTRIAL CO.,LTD. 清山實業有限公司 Img

We were founded in 1988. We specialize in wood thread screws( DIN 571、Lag Screw) and Hexagon Head Bolt ( DIN931、933) and other non-standard Bolts also are available.