Certificates and Patents:
Device patent (rus)KQA Letter of conformance (eng)KQA certificate — Environmental Management System (eng)KQA — Quality Management System (eng)SDS Report (eng)MSDS Report of CO2 Cylinder (eng)Fabric Certificate of Compliance (HOYU COC) (eng)Declaration of Conformity (CE DoC) (eng)Information letter about the absence of certification requirements (rus)Patent and Trademark Register USA (eng)