The achieved project solution of PDM system is shown in Fig. 3. Here, we only give the
decomposition solution at larger and higher level granule. Owing to the content and space considerations,
the decomposition at smaller and lower level sub-granules are not explained in detail here.
After finishing the decomposition process from larger and higher level granules to smaller and lower
level sub-granules, a solution is obtained, and then a customer specified PDM system has been
established. The process of establishing PDM platform is the construction of forming a larger and higher
level granule with smaller and lower level sub-granules. This system has employed for a year. The
established PDM system meets above requirements well.