We Successfully Attend Aquatech China expo 2020 In Shanghai!

Aug.31-Sep.2, 2020, AQUATECH CHINA exhibition (the world's largest water treatment exhibition) was held in Shanghai，which gathered professional exhibitors from all fields of the water treatment industry.

As a professional manufacturer of solenoid valves, Yuyao No.4 Instrument Factory has participated in AQUATECH CHINA exhibition many times. This time, we brought the latest UL certified and NSF certified solenoid valves, the certified solenoid valves meet the industry's highest standards for food and water safety, and will be the best choice for customers who pursue quality.