In order to meet the requirements of different mixing concrete mixers, blenders developed many models, they have their own characteristics in the structure and performance, but according to the principle can be divided into self-loading and compulsory. A concrete mixer JS500 compulsory mixer of belonging, J- mixer, S- twin shaft, small mixer, 500 discharge capacity of 500L. It mainly consists of mixing system, mixer, mixing drive system, loading, unloading systems, water supply systems, racks and walking system, electrical control system components. It is relatively new in the domestic compact mixer, the whole structure, beautiful appearance. Any damage to the installation check whether the check for this machine caused due to careless transportation. If this machine has been damaged: a) contact the agent b) write a report c) transmit a copy of the report to: transport insurance companies, transportation companies, manufacturers and distributors of concrete mixers | mixers | Lei machinery by the Zhengzhou Lei Machinery Limited. Zhengzhou Lei Machinery Co., Ltd. (www.hnzljx.net) (www.hnzljx.net) located close Xingyang Ying Zheng road intersection 500 meters west. Scraps and development in the wave of market economy, the current Lei machinery has a high profile in the crushing grinding equipment, and enjoys a good reputation. Lei machinery made whole network business alliance certification, marking our service and management level has reached a new height. Lei mechanical staff willing to work with all people of insight and common development, for a better future.