上海仁益制毡是一家民营企业,现有员工是从国内外引进的制毡和管理精英。钢琴系列弦槌，芯毡，申达呢产量世界领先。

Renyi Felt Manufacturing is a leading Chinese manufacturer and supplier of all kinds of piano felts. The sales of Piano felts, bushing cloth etc are top the world.