My major is Biomedical Engineering which research and develop medical equipment, English translation

1.My major is Biomedical Engineering which research and develop medical equipment.

2.My major is Biomedical Engineering which focus on My major is Biomedical Engineering which focuses on medical equipment research and development.

Note:

1. The sentence "reaserch and develop medcial devices" has grammatical errors ( The phrase "development" is grammatically incorrect (development) and misspelled (reaserch and medcial) and should read "research and develop medical devices".

2. "Medical equipment" should be translated as "medical equipment".

References:

.

China International Medical Equipment Fair (CMEF)

3. The first sentence is translated in the order you provided and can be used. The second sentence is more authentic English.