The most professional tear gas manufacturer who is able to provide the best quality chemical material for you.

One of OC Water Soluble Advantage is safety. OC Water Soluble is more safer than another stimulant products.

Dayu chemical has advanced purification process which can ensure the quality of the raw material we produced.

Compared to other chemical company, dayu chemical has advanced purification technology and all kinds of chemical raw materials,  a large number of inventory all year, which can guarantee the prompt supply, in addition, we also provide customized products for you.