Thank you for your guidance and training. (flattering version, written language)
Thank you for your careful training and patient guidance. (flattering version, spoken language)
Our department can be changed to our hospital, our institute, our district and so on, depending on your own needs.
Generally, it is enough to write "Warmly welcome leaders to my office to guide training" or "Warmly welcome so-and-so leaders to my office to guide".
Welcome leaders to inspect and guide the work slogan:
1, warmly welcome the leaders of * * * (company name) to inspect and visit!
2. Welcome provincial leaders to visit and guide the work!
3. Warmly welcome all leaders and experts to visit our school to inspect and guide the work!
4. Welcome so-and-so leaders to come to our unit for inspection and guidance!
5. Welcome leaders to visit our unit for inspection and guidance!