Tianjin Damon International Trade Co.,Ltd. is an integrated company engaging in manufacturing and trading.Damon located in Tianjin Economic-Technological Development Area (TEDA) nearby the largest port in Northern China-Tianjin Xingang Port and possesses advantaged geographic position.Our main products are Sodium Sulphide,Sodium Hydrosulphide,Sodium Thiosulphate and Sodium Formate,etc.