I bought my rinco back when the were 800$ 
it is marked
M14 .308
C.J.A. spfld mich
NORINCO MADE IN CHINA
I googled it and this is all I found...
Ser# is 001###
CJA
The third importer, CJA (Southfield, MI) imported Chinese rifles for a short time just prior to September 13, 1994. The stamping CJA SLFD MICH appears on some Norinco rifles. CJA imported the best looking Chinese M14 rifles into the United States. Representatives from CJA traveled to State Arsenal 356 in China to discuss the assembly process of the M14 type rifles it wished to import. These rifles were assembled with walnut stocks and new production parts with a very good finish.
Is mine a goodie or a soft bolt, my #### will fall off
rifle....
it is marked
M14 .308
C.J.A. spfld mich
NORINCO MADE IN CHINA
I googled it and this is all I found...
Ser# is 001###
CJA
The third importer, CJA (Southfield, MI) imported Chinese rifles for a short time just prior to September 13, 1994. The stamping CJA SLFD MICH appears on some Norinco rifles. CJA imported the best looking Chinese M14 rifles into the United States. Representatives from CJA traveled to State Arsenal 356 in China to discuss the assembly process of the M14 type rifles it wished to import. These rifles were assembled with walnut stocks and new production parts with a very good finish.
Is mine a goodie or a soft bolt, my #### will fall off