Leak-testing equipment and automation solutions, Leak Testing Machines, Differential Pressure Leak Testers, Air Flow Leak Testers, Vacuum Leak Testers, and Quick Sealing Connectors, are the specialty of S-Tech Automation Systems, a Pune maker serving automotive, medical, and packaging customers. Founded in 2013 and drawing on more than 18 years of founder experience, it provides customized, high-precision solutions using differential-pressure and mass-flow measurement principles, and its systems, equipped with touch-screen interfaces and USB data storage, support automated production lines. S-Tech exports worldwide and operates from facilities in Pune and Nashik.