60%含量硫化钠 20PPM 铁含量 价格:3400元/吨		60%含量硫化钠 价格:3100元/吨		60% 低铁硫化碱 价格:3000元/吨		60%含量硫化钠 价格:2500元/吨
60%硫化钠 价格:2450元/吨

　　we are a specialized manufacturer and trader of chemical products, including sodium sulfide, sodium bicarbonate,caustic soda, soda ash light, sodium sulfate, calcium carbide, PVC, etc. We established production bases in Tianjin, Inner Mongolia and Henan province, etc

主要产品/业务: Sodium Sulphide 60% Sodium Bicarbonate Sodium Sulfite Anhydrous