牋牋Mactenn Systems, Ltd. UK甶s a technology company possessing its own engineering and manufacturing facilities. The specializations of the company are divided into three main groups which are: 牋牋Low-Velocity Dense-Phase Pneumatic Conveying 牋牋Flow Rate Controlled Material Injection Systems 牋牋I(yíng)nflatable Seat Valves 牋牋Since 1977 the company has provided a wide range of material handling and processing systems centered on the main technology groups for customers throughout the ...