Inquiry (采购产品): liquid level control I wanted to understand more how the Devar controller can control liquid level in an enclose vacuum vessel **** Hidden Message ***** Johari Hamid No.16, Jln Impian Gemilang 1/1 Saujana Impian, Kajang Selangor Darul Ehsan43000 MYS Company: Techno Approach Sdn Bhd Title: Mechanical Engineer Phone: 6019-2791990 E-mail: johamid@gmail.com **** Hidden Message ***** johamid@gmail.com