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Safe preparation process fo...
One, foreword
Powder metallurgy enterprises often need to use hydrogen as the reducing process gas when sintering the workpiece. However, the trad...
Ningbo xuanyi machinery co., LTD. Is specialized in powder metallurgy for more than 10 years, is specialized in the production of iron based, stainless steel mechanical structure of high performance, high precision, low noise, structural parts, gear, oil pump rotor, shock absorber and other parts of the production of enterprises.