Portable Concrete Mixer manufacturers 1.Why choose us? TOBEMAC----CHINA Leading Construction Machinery Manufacturer 1. We are manufacturer of Concrete Mixers Since 1991. 2. We are certified by SGS;BV;SONCAP;PVOC;CE; ISO 9001:2015 3. We have a Professional Construction Machinery workshop which covers an area of 10000 sqm and its daily output for CONCRETE MIXER is 50 sets , so we can assure you...