Lighting Lighting News OEM Tier 1Hella: My, How You’ve Grown!August 22, 20162 minute read Hella increased group sales by 8.9% to about €6.4bn in fiscal year 2015-16. Adjusted operating earnings (EBIT) also increased by 7.1% year on year To access this post, you must register DVN Lighting Gold Membership. Total 0 Shares Share 0 Tweet 0 Related TopicsOEM Tier 1