SHANGHAI, Apr. 13 (SMM) -- Since EMM market is likely to maintain the downtrend, selenium dioxide demand will remain weak. However, selenium dioxide supply is relatively stabile and of high concentration, combined with the firm prices of selenium powder as the raw material, domestic selenium dioxide prices are expected to move around RMB 700/kg with little chance of declining remarkably in the coming week. Given the gloomy selenium dioxide market, trading for selenium powder should remain light next week, but limited goods supply and remaining high cost for importing selenium powder can give certain support to selenium powder prices, with prices expected to be around RMB 1,050/kg.