Dst & New Chemical.,Ltd is a newly open chemical company with it own new define chemicals and and materials which are use for the cleaning and building of all kind of currency ....this chemical have it's definding power which it works ...it work along side with the Aluminum foul paper which is been chemicalized for the period of 7 days before the process can be done...this new model of chemical have help more than 1000 of customers all over the world...