They are distinguished by 100% content of the above metals. A distinctive feature is white metal, the absence of a yellowish tint on the inner parts of the body. Components Fasteners and ball regulators in single-lever versions are made of brass and stainless steel. Some Western companies use plastic, making https://www.apsense.com/article/829172-how-to-choose-the-right-stainless-steel-heated-towel-rail.html