//oxqq.cn/case-study-enhancing-water-quality-monitoring-with-the-shelok-ultrasonic-flow-meter/ Shelok is a national high-tech enter-prise,specializing in the R&Dproduction and sales of pres-sure meter,level meter, flowtemperature instrument and au-tomatic control equipment. Tue, 18 Jun 2024 07:46:12 +0000 hourly 1