Started the research and development of ultrafiltration membranes.
Successfully developed the first generation of SINAP series flat membrane.
The first commercial application of SINAP flat membrane (Shanghai urban hotel laundry wastewater).
Shanghai SINAP Membrane Separation Technology Co., Ltd. was established, and the third generation of SINAP flat membrane and membrane bioreactor components was born.
SINAP flat membrane was first applied to a thousand-ton project—the 3,840-ton cold-rolling wastewater of Shanghai Baoshan Iron and Steel General Plant. SINAP was awarded the ISO9001-2008 quality management system certification issued by the Great Wall Quality Assurance Center and has continued to this day.
SINAP flat film began to export in batches, and SINAP flat film won the certificate of "National Key Environmental Protection and Practical Technology".
SINAP flat film won the "National Key New Product".