ETM series (Dual Space) computer control electromechanical universal testing machine is designed and manufactured according to ASTM, ISO, DIN etc standards. It is computer-controlled precision testing machine, suitable for wide range of material for tensi
Continuous advancing mandrel winding fiberglass mortar pipe is an advanced composite material pipe with three-dimensional enhanced structure which is made by 3D printing technology and continuous advancing mandrel process.
Cummins qsb3.9 engine is with a small efficiency loss is also avoided compared to two-stroke non-direct-injection gasoline engines since unburned fuel is not present at valve overlap and therefore no fuel goes directly from the intake/injection to the exh