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Hydraulic wrench, hydraulic cylinder, tensionerand so on，Product Consultation Hotline：15103181668
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Bolt stretcher
name：SJD series bridge locking bolt pre tensioner
Detailed information
Design of automatic fast return mechanism.
Polishing surface treatment (blackening treatment).
Exceeding the red warning line for travel.
High work pressure and light weight.
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Product
News
Ji Public Security Record No. 13112702000480