(1) Match the pipeline to meet the work of a little quantity but a lot variety. (2) Goods first

(1) Match the pipeline to meet the work of a little quantity but a lot variety. (2) Goods first in,first out.(3) Assemble quickly,easily moved.(4) Convenient access by human,also can achieve the target of accessing by computer assistant.(5) Used in the supermarket,logistic center,door-to-door mail company and product line.