As a leading online leak sealing (OLS) technology provider, TXY-Tech has focused on sealing product R&D, technology training, and technical consultation in China for the past 20 years. Our business principle has always been delivering the safest solution while realizing plant up time maximization, environmental impact minimization, and legal liability mitigation. Meanwhile, the challenging nature of a process industry that online leak sealing practitioners are confronted with requires both standardized skill set and hands-on experience to successfully perform each sealing job. Therefore, TXY-Tech developed a set of standard oper-CORROSION 2015 Exhibitors EXHIBITORS 148 national procedures (SOP) based on its years of training experience and R&D background. In addition, this SOP has been approved as a Chinese national standard for pressure vessel personnel qualification.