The products within the scope of CE marking are the following:
Gas Stoves?Appliances Burning Gaseous Fuels (AppliGas)
2.? Cableway Installations to Carry Persons
3.? Low Voltage Electrical Equipment
4. Construction Products
5.? Equipment and Protective Systems for Used in Potentially Explosive Atmospheres (Atex)
6.? Explosives for Civil Uses
7.? Hot Water Boilers
8.? Household Refrigerators & Freezers
9.? Lift
10.? Machinery
11. Marine Equipment
12. (General) Medical Devices
13. Active Implantable Medical Devices
14.? In Vitro Diagnostic Medical Devices
15. Non-automatic Weighing Instruments
16. Radio Equipment & Telecommunications Terminal Equipment (R&TTE)
17. Personal Protective Equipment (PPE)
18.? Simple Pressure Vessels (SPV)
19. Pressure Equipment.
20.? Recreational Craft.
21. Toys
22. Trans-European Conventional Rail System
23. Other ......
Basically the products to be exported to the EU are all here, if your product is within the scope of the above products, then it is most likely to be for CE marking. You can make a reference, I hope my answer can help you!