we are a construction and building material equipments manufacturer mainly produces all kinds of AAC block production line, concrete mixing plant, mixer, concrete block making machine, concrete tile making machine, concrete pipe making machine etc, with more than 20 years experience and being the biggest manufacturer at present. All the products are conformity with the standard of the state and gets the ISO9001 certificate and also honored as One of The Top Ten Famous Brands of Brick and Tile Field in China and other honors. Hope to cooperate with you . Andy YoungGuangxi Hongfa Heavy Machinery Co.,Ltd Skype: Andy.young2013