: we are one of the leading manufacturers of vacuum dewatering system, construction machinery. also known as tremix flooring system, we manufacture and supply a comprehensive range of vacuum dewatering system. Our equipment delivers reliable results .. Vdf flooring also known as vacuum dewatered flooring is a special type of flooring technique to achieve high strength, longer life, better finish and faster work. This type of floor is suitable for high abrasion & heavy traffic movement.