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15. MAJOR SUPPLIERS
9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
15. MAJOR SUPPLIERS

During the nine-month period ended September 30, 2018, the Company did not purchase any raw materials. During the three-month and nine-month periods ended September 30, 2017, the Company purchased 71.6% and 68.2% of its raw materials from its top five suppliers, respectively.  As of September 30, 2017, amounts due to those suppliers included in accounts payable were $1,353,182.