... has high quality and high productivety. Shanghai Dong Meng machinery complete equipments Co., Ltd(SHDM) is a high-technology enterprise ... protection, transportation, chemistry, energy and so on.Shanghai Dong Meng is located in beautiful Feng Xian District, with ... hammer head,liner plate etc. Detailed DescriptionShanghai Dong Meng Road& Bridge Machinery Co., Ltd. is a leading stone crushing machine ...