We,Changsha Double Best Industry Co ltd,Are dealing in the import and export business of organic and inorganic chemical raw materials since 1996 year.the main product have fireworks materials including Aluminium Powder,Ammonium Perchlorate,Barium Nitrate, Potassium Chlorate, Potassium Perchlorate, Potassium Nitrate ,Sodium Chlorate,Sodium Perchlorate etc,the other products have Borax ,Barium sulphate, Barium Carbonate, Barium Chloride,Sodium Silico Fluoride ,Sodium Metabisulphite, The Above Products Have Exported to European,Amercian,Africa,South-East Asia etc Countries and Area.

　　our company has advanced and perfect testing facilities, strict manufacturing management and quality assurance system, good services which is our common pursuit.

　　We will work harder right along,offer the products and service to customers both at home and abroad,we would like to strengthen the cooperation with friends from all over the world!

　　Our promise: the quality first,the customer foremost.cooperation-welcomed,

　　development-together

　　General Manager: Mr.Kuang wen chu

　　compnay culture

　　Company adhere to“quality fitst,customer first,welcome cooperation and seek common development” as the commitment, to “quality of survival,service and development” for the melody, to “ quality win the market,integrity cast quality” for the faith. We will continue to provide you with products and services, is willing to work together with you to set sail, to create a new future!