1.An advanced design concrete equipment :Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:JS series concrete mixer,concrete batching plants,concrete mixer,blocking making machine,concrete pump,etc. Libraries can be designed to 20-60m diameter , with special needs can also be increased. Height and the diameter ratio is generally between1:1.1 to 1:1.5. 2.the unique structure beton mixer : the body is cylindrical library , libraries, top and bottom of the ball missing type library,based on the round table bucket . 3.storage capacity planetary truck mixer : single storage capacity 1-10 tons. 4.the construction time is short,ordinary three months or so to complete . 5.Advanced Discharge System: New pneumatic system out of the library , library material by pneumatic pressure will be transported to the designated location.