It operates worldwide from subsidiaries in the US, China, Singapore and Japan as well as representative offices in South Korea, Taiwan and Malaysia.

[2] Customers include Bosch, Huawei, Siemens und Sony.

Founded in 1961, Sabine and Wolf-Dietrich Herold took over DELO in the course of a management buy-out and converted it into an independent, owner-managed company.

The company specializes in UV curing and dual-curing polymers for high-volume industrial production.

[5][6] DELO also develops and produces microdispensing valves and UV LED lamps for dispensing and curing adhesives, respectively.