Located in SHANGHAI the biggest city of China. Shanghai YiDing heavy mining equipment manufacturing Co., Ltd. is a high-technology enterprise which is specialized in mining crushing equipment, constructing sand making line and industrial grinding mills designing and manufacturing. We have a more than 300 working stuff, in which about twenty are Senior technician, and a more than 11000 sq.ft standard working shop and office building So that we can combine R&D processing and manufacturing, marketing and sales, with after sales service into a whole