HANGZHOU PERPETUAL MACHINERY & EQUIPMENT CO., LTD, specializes in the production and sale power of transmission (chain, sprocket, pillow block... ).

The company was founded in 2000, with the name PLW Industrial Corporation, as part of our growth in the market, now we have our registered " PLW". HANGZHOU PERPETUAL MACHINERY AND EQUIPMENT CO., LTD, is mainly in the manufacture of standard roller chains, stainless steel chains, high quality agricultural chain, conveyor chains, special chains and sprockets etc. Standard products can do under ANSI, BS, DIN.

Our company is growing quickly in major markets worldwide. For this reason we are committed to producing first-class products. PLW for further growth has advanced enterprise management system that works with the sole purpose of meeting the needs of our customers, innovating with our service and our quality.