Refer to the input text as context and select the correct relationship between 'Stratasys' and '3D printing' from the available options.
Options: business division, member of, manufacturer, industry

Stratasys Ltd. (Nasdaq:SSYS), a leading global provider of 3D printing and additive manufacturing solutions, has today announced that Italian Service Bureau, ZARE , has halved production costs for its direct manufacturing customers in automotive and aerospace since investing in a fleet of Stratasys Fortus 3D Production Systems.
industry