TST Seal has more than 50 invention patents, utility model patents, copyrights, etc. It has passed the quality management system, environmental management system and occupational health and safety management system certifications, and obtained the China Classification Society CCS certification in 2023. In the field of modular cable and pipe penetration seals, the original “peelable variable diameter technology” and modular redundant design meet multiple stringent requirements such as waterproof, dustproof, fireproof, explosion-proof, EMI/EMP electromagnetic shielding, etc., and successfully passed the fire protection CCCF and national explosion-proof/anti-explosion related system certifications, and obtained certificates issued by authoritative organizations such as Russian Classification Society (RS) and China Classification Society (CCS),ABS Certification,Bureau Veritas (BV) Certification.