
Our company has strong R&D ability,and had get the license of usaging and storaging of hypertoxic chemicals,such as Sodium cyanide and Dimethyl Sulfate.We can supply Customised processing services which adopt Sodium cyanide or Dimethyl Sulfate as material to produce.
Now,Yongfeng is striving to be your long-term reliable business partner and offer the best products and excellent service to you.