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Member of National Technical Committee for Standardization of Rock Drilling Machinery and Pneumatic Tools
Drafting Committee for National Rock Drilling Machinery and Pneumatic Tools Standardization
The ISO9001 quality assurance system qualified TUV, CE, MA certified manufacturer
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86-574-88330922
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86-574-88385288
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0574-88335922
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zcy@yong-dun.com
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