You do not mention whether you wooden wall will be painted or stained wood. Either way, there paint products you can use to properly seal and protect the wood either way. You should visit your local paint store and tell them what you are trying to do and see what products they recommend.

Not a thing about this kitchen would make me happy and I try so hard to avoid Chineses wood products.

We also ned a picture

Pawan, Please recheck the dimensions once again. 27 or 17. Frankly speaking, its not worthwhile to do a comparison in such a small project. However, teak is costlier but has many a variants, please recheck the details if it is First Quality or Burma team. Pricing is usually due to the details. Clients are often duped by initial low-ball offers. Go with one who has better client feedback.