Which list is the stainless steel sleeve in the elevator hall?

List of interior decoration materials and metal products.

1. The list of interior decoration materials includes all interior decoration materials in the elevator hall, such as floor, wall materials and ceiling materials. Stainless steel sleeve can be used as one of them.

2. As a kind of metal product, stainless steel bushing can be included in the list of metal products, including all metal products in the elevator hall, such as door handles, guardrails and decorative parts.