About ESI
ESI Products Inc.
ESI Products Inc., founded in 1992, is a professional seal manufacturer and precision machining company specializing in industrial flow control products for the food processing, semiconductor, and petrochemical industries. Our main products include gaskets, O-rings, diaphragms, seals, PTFE semiconductor components, and valve products.
Company Philosophy
Be Active, Be Creative, Be Honest
ESI upholds the principles of “Be Active, Be Creative, Be Honest” as the foundation of our business. We believe that integrity builds trust, creativity drives innovation, and action delivers results. Guided by these values, we continuously refine our manufacturing processes and focus on customer satisfaction through reliable quality and responsive service. Our goal is to provide high-performance products that meet demanding industrial requirements and support long-term success for our clients.
Our products are all certified by ISO 9001:2015