Machine body casting is made of FCD 50 ductile cast iron ,which is processed by high tensile strength after aging passivation 7985708029563405694-blid-106936556429119001

นาคาพญากรณ์ งวดนี้มาครบทุกตัว วงแดงๆเน้นๆ 16 ก.ย. 62

 
   

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