Founded in 1986, DYI SHENG focuses on the R&D and manufacturing of air-operated double diaphragm pumps under the brand "TDS-DYI SHENG." Our products are certified with CE, ATEX explosion-proof, and ISO 9001 standards. We ensure stable and durable performance with strict process control and 100% factory testing. TDS- DYI SHENG pumps handle a wide range of fluids, including viscous or particulate liquids, and are widely used in chemical, electronics, environmental, and food industries.