
Method of Waste Heat Tempering after Forging of Engine Non-quenched and Tempered Steel Connecting Rod
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Crankshaft Sprocket Spline Installation Device
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An Insert-type Cool Pressure Die for Connecting Rod Forging
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High strength bolt with reinforcing structure
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Machining device for tail hole of high-strength connecting rod bolt

Fixture for Machining Threaded Hole of Asymmetric Connecting Rod
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Insert type roll forging die
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Roll Forging Die for Automobile Expansion Breaking Connecting Rod