Custom Welded Metal Bellows & Build to Print Assembly Services - KSM CORPORATION Custom Welded Metal Bellows, Build to Print Assembly Services, KSM CORPORATION,San Jose, CA, vacuum sealing solutions, Welded Components, Heaters assembly, Pedestals assembly, Pin Lifters assembly, Slit Valves assembly, Spindles assembly,KSm, Flexible Metal Sealing for Hazardous Environments KSM Corporation is an ISO 9001:2008 Certified Provider of Custom Welded Metal Bellows and Build to Print Assembly Services. At KSM we believe that providing unmatched service with products of superior quality-quickly and economically is the formula for long lasting customer relationships.