Thu, Nov 29, 2012 12:00 - Ya Zhu Silk, Inc. (YZSKE: OTC Link) - Symbol Change - The symbol, YZSKE, is no longer a valid symbol for Ya Zhu Silk, Inc.. As of Thu, Nov 29, 2012, the new trading symbol is YZSK. You may find a complete list of symbol changes at otcmarkets.com.