简介：We are the first (30 years experience) & one of Standard-Setters of anchor bolt .
our Self-drilling anchor hollow bolts perform as soil nailing, rock bolting, and micropiling. It combines drilling, grouting and anchoring together, 3-in-1, with 10-25% higher-strength mechanical properties than others.
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供应We are Chengdu Modern Wantong Anchorage Technology Co., Ltd.:
Anchoring technical consulting services; Import and export of goods and technology; Development, production and sales: construction engin
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