Longjing has deep trust with Jiwei product and purchases Jiwei instruments frequently.Tube-11 Vibrating Rod Level Switch has been applied to measure the fly ashes in Longjing fly ash silo successfully.

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

　　Jiwei’s new version Magnetic Level Indicator has been applied to Guangdong Goworld Lamination Plant, measuring the liquid level of DNF-butanone toluene in tanks.

　　The improvement of Jiwei Magnetic Level Indicator has been praised by all used clients. The sealability of the panel makes the protection rate reach IP67, significantly upgrades the reliability.

Jiwei’s Flap-11 Magnetic Level Indicator series have made improvements in details regarding materials selection, structural design, as well as processing technology.

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.

Jiwei SW-11/21 Magnetic Switches and Reed-11 Remote Transmitter are all qualified with SIL2 / SIL3 Functional Safety Assessment, as well as certified for both Intrinsic Safety and Flameproof Enclosure explosion protection.

Flap-11A Standard Magnetic Level Indicator is made of 316L stainless steel, suitable for majority corrosive liquids.

Flap-11S Economical Magnetic Level Indicator is practical and economical. It is made of 304 stainless steel and suitable for mild corrosive liquids.