On the other hand, 3D Systems Corporation (NYSE: DDD ) sells metal printers but continues to suffer from large-format issues and brand damage while Stratasys, Ltd. (NASDAQ: SSYS ) has no metals product other than its printing services.
Refer to the input text as context and select the correct relationship between '3D Systems' and 'Corporation' from the available options.
Options: subsidiary, director/manager, currency, position held