CXDC [China XD Plastics Co] SC 13D/A: (Original Filing)
[CUSIP No. 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY): XD. Engineering Plastics Company Limited 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS): ( ☒ ☐ (b) 3. SEC USE ONLY 4. SOURCE OF FUNDS (SEE INSTRUCTIONS): 5. ☐ 6. CITIZENSHIP O]