About Us

Saint-Gobain – Filtrations Technologies, a division of Performance Plastics (formerly ZenPure) is based in the United States of America with manufacturing, design, development, research and engineering in Hangzhou, China. Saint-Gobain – Filtration Technologies was founded as ZenPure Corporation and ZenPure (Hangzhou) Co., Ltd. in November 2002, specializing in fast track, “Turn-key” solutions for standard and specialty filters and membrane devices for a wide range of industries and applications. Saint-GObain has established a reputation of providing reliable, unique, efficient, and cost effective design, development, and manufacturing services to our customers and strategic partners.  Our turn-key capabilities have assisted our customers’ efforts to quickly and effectively introduce new and better products into their markets.   Saint-Gobain can design, develop and manufacture filters or membrane devices of any size, adapter type, fitting type, and configuration (Pleated, depth, discs, capsules), based on different filtration media, including, PTFE, PES, Nylon, PVDF, PP, PE, Cellulose, Cellulose with Diatomaceous Earth (DE), Cellulose Acetate and more.

Company Information

Customer application support and supply chain logistics are managed at the Saint-Gobain – Filtrations technologies facility in Manassas, Virginia, USA. Saint-Gobain’s depth of quality and engineering management experience was gained in membrane filter manufacturing and application in the USA and Europe. We combine these skill sets with manufacturing competitiveness and excellence in China where our facilities are managed by US and Chinese managers highly qualified in the design, development and production of filter cartridges and capsules. Our products meet or exceed industry requirements such as those required by FDA, ISO and USP. Saint-Gobain is certified to the following standards: ISO 9001: 2008. QM System focused on meeting customer expectations and delivering customer satisfaction. ISO 14001: 2004. Environmental Management System. ISO 13485: 2003. A version of the 9001 standard developed for the Medical Device Industry. GB/T28001: 2003 Occupational Health and Safety.


Saint-Gobain Filtration Technologies quality systems and production controls, materials and material traceability all meet Pharmaceutical, Biopharmaceutical and Medical Device filtration product standards. We receive customers for audit at our manufacturing facilities frequently and develop manufacturing validation reports when necessary for your specific production / product needs. Adapting Quality by Design whereby the functional properties of the filters we manufacture are aligned through knowledge of the application in which they will be used results in fitness for purpose, safety and efficacy. A policy of Quality Transparency gives our customers full disclosure on the quality we put into design, development, production, validation, supply, application and support.

Mission Statement

To be the recognized global leader in providing engineered filtration solutions on a timeline that meets customer project requirements.

  • We create value through:
    • Co-Development
    • Rapid Prototyping
    • Integrated Fluid Management
    • Testing and Validation
    • Speed of Delivery
    • World-Wide Presence