A sink refers to a bathtub,
CAccording to material, it can be divided into all copper drainage, stainless steel drainage, plastic drainage, etc. Copper material is the best and has the longest service life. It can be divided into bathtub drainage, basin drainage, etc. according to its purpose.
The selection of a sink: This depends on whether the basin has an overflow outlet, and if so, a sink with an opening should be chosen. If not, you should choose a drain without an opening.