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Key Notes for Die Casting Mold Trial Before mold trial, check mold assembly, cooling water circuit, ejector mechanism and parting line to ensure no loose parts, water leakage or interference. Verify die casting machine parameters including clamping force, injection pressure, injection speed and pouring temperature, match them with alloy material characteristics strictly. During trial, control molten metal temperature and filling speed reasonably to avoid cold shut, porosity and shrinkage cavit
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Key Notes for Die Casting Mold Trial: Before mold trial, check mold assembly, cooling water circuit, ejector mechanism and parting line to ensure no loose parts, water leakage or interference. Verify die casting machine parameters including clamping force, injection pressure, injection speed and pouring temperature, match them with alloy material characteristics strictly. During trial, control molten metal temperature and filling speed reasonably to avoid cold shut, porosity and shrinkage cavi
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All along, artificial cordyceps, low-altitude cordyceps and other incidents of pretending to be cordyceps are not uncommon, and the continuous progress of artificial wormwood cultivation technology at will, the cordyceps market is mixed, and many friends have stepped on the pit 🕳️ Today, I have sorted out the characteristics of various cordyceps for you, so that you can more intuitively distinguish what you need It can be collected. Now there are still many merchants who boast of selling wild 
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