KSM Vacuum Products Inc., in Sunnyvale, CA., is the North American Headquarters for KSM Corporation, a global leader and manu ... facturer in WELDED METAL BELLOWS products & other UHV assemblies [ Heaters, Fine Ceramics, Seals etc. ] We leverage proprietary engineering with a world class facility to supply custom products to meet the needs of Semiconductor, Display, UHV, Medical, & Aerospace industries. With over 40 years of experience, KSM can quickly engineer and supply pieces that are optimized fit your special application while remaining cost effective for your business. read more