What certification we can offer?and these certifications whether free?

For normally ,we can offer MSDS,UN38.3 ,IEC62133 ,UL ,CB,Reach,RoHS etc.If the battery have already done these certification,which can be offered to our clients on free , but if the battery have not do the certification yet and our clients required certifications ,the certification fee will be charge by our clients ,but if the order reach 200K ,the certification fee will return to our clients.So far we have hundreds model for lithium polymer battery with UL approved.