Chinese shellac vinyl 10" 78's records made in China and Num Sing Radio co

Description

These are two vintage ,I believe 1949-50's 10 " 78 records in Chinese.One record says made in China, the other one man.by num sing radio and recording co.I am not a record grader,examine photos for cosmetics.I played one and sounded pretty good.The records are not warped and very few scratches.If you have any more info. to add feel free.