Flap-11S Economical Magnetic Level Indicators are used by Guofeng to measure the liquid level of 31% hydrochloric acid.

Shihua Chemical Company has installed over 200 Jiwei Magnetic Level Indicators for a new ionic membrane electrolysis technology industrialization experiment project with a manufacturing capacity of 400,000 tons/year.

Hebei Shenghua Chemical Industry Co.purchased Jiwei Rada-11 Pulse Radar Level Meters and Flap-11S Economical Type Magnetic Level Indicators.

LIER-Chemical Group purchased Jiwei’s flame-proof Ring-11 Liquid Level Switches and Flap-11 Magnetic Level Indicators as their primary level measurement equipment.