This is the 12333rd most frequent Russian word.
казахстанских
"Kazakhstani" – relating to Kazakhstan.
The word 'казахстанских' is used as an adjective here to describe the noun 'продуктов' (products) indicating their origin from Kazakhstan.
В магазине было много казахстанских продуктов.
There were many Kazakhstani products in the store.
In this case, 'казахстанских' modifies the noun 'традициях' (traditions), emphasizing that these are traditions related to Kazakhstan.
Я прочитал статью о казахстанских традициях.
I read an article about Kazakhstani traditions.
Here, 'казахстанских' describes 'художников' (artists), specifying their artistic heritage from Kazakhstan.