Profile: Dema Engineering Co. designs and manufactures dispensing and fluid control products. We supply chemical dispensing equipments and solenoid valves. Our solenoid valves are used in industries, including car wash, beverage, chemical dispensing, agriculture, misting, reverse osmosis and high pressure cleaning machines. Our high pressure valves are available in 3/8", 1/2" and 1" NPT. Our B series injectors are designed to inject fluids or air into lines conveying liquid under pressure. We are an ISO 9001:2000 certified company.