i have build above and we want to make like showing in blow

we want to make like showing in blow

i am guessing you want it to look like in blender (?)

you could start with reflections, you get them with an environment map https://codesandbox.io/p/sandbox/faucets-select-highlight-8flefh

add ambient occlusion (AO) and you’re close https://codesandbox.io/p/sandbox/object-clump-ssbdsw?

How to make the sink and put into the table.

It is very unclear what the actual problem is and how you attempted to resolve it.

This is a rather general question. It depends on your programming, mathematical and artistic skills. For some people the easiest would be to make the sink in Blender. For others it is sufficient to modify programmatically the vertices of a flat plane. If you prefer the second approach, you may need to think of a formula that makes the curvature of the surface, so you get something like this: