Internationally recognized quality and management standards
Our management systems are certified to international standards
Quality Management
Environmental Management
Occupational Health & Safety Management
Our products meet international pipeline standards
Our WSS80 heat-shrinkable sleeve is certified by DVGW (German Technical and Scientific Association for Gas and Water), meeting the stringent requirements for gas pipeline field joint coating.
Certified Product: WSS80 Heat-Shrinkable Sleeve
Our products comply with API 5L standards for line pipe corrosion protection, ensuring compatibility with oil and gas pipeline systems worldwide.
Applicable Products: All heat-shrinkable sleeves and tapes
Our heat-shrinkable sleeves meet ISO 21809-3 requirements for field joint coatings on buried or submerged pipelines, including peel strength, cathodic disbondment, and heat aging tests.
Applicable Products: WSS80, WSS90HT, WSS110HT
Our products conform to EN 12068 standards for external organic coatings for corrosion protection of buried or immersed steel pipelines.
Applicable Products: Heat-shrinkable sleeves and tapes
First-class laboratory ensuring product quality and compliance