ROPV manufactures value and performance engineered pressure vessels in a wide range of sizes for all major industry systems and application requirements, multiple side port configurations up to 4" and maximum operating pressure up to 1200 PSI. We have an installed base in excess of 150,000 units used in award winning plants worldwide. ROPV's engineering group is composed of members of the FRP Design Institute. Our commitment to quality and innovation has led to successful development of original equipment configurations with various industry partners for UF, EDI, large diameter membranes, and emerging water treatment technologies. We adhere to strict industry regulations to ensure safe manufacturing processes, enhanced technical competency and implementation of total quality management: • CE Mark • ACS • CRN • WRAS • ASME RP • ISO 9001 • ISO 14001 • NSF 61 ROPV is the largest pressure vessel manufacturer in the Asia/Pacific region. Located in Dezhou, Shandong Province our plant has the manufacturing capacity to meet today's global demands. The company has headquarters in Harbin, China, and global sales office in San Francisco, California, USA.