First, air holes (bubbles, boring holes, air pockets) Reasons: 1. The mould preheat temperature is too low, and the liquid metal is cooling too quickly
We made the alu. casting and copper casting of Stuffing box, and tiller arm and the alu. holder used in boat for our USA client,
We made the marine boat part-valve bronze casting for our USA clients.The material is C60800. It is also made by casting, bronze casting. Our client is
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