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Summary of Significant Accounting Policies (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Summary of Significant Accounting Policies (Textual) |  |  |
Restricted cash | $ 85,293 |  |
Accounts receivable, description | Based on the assessment of customers' credit and ongoing relationships, the Company's payment terms typically range from 90 days to 1 year. |  |
Allowances for doubtful accounts | $ 871,030 | 534,245 |
Impairment assets | $ 0 | 0 | $ 0
Security retention, description | The Company usually agrees with customers on the contracts to holdback approximately 5% to 20% of total contract price as security deposits which are payable by customer within 12 months after the goods are shipped and titles have passed. |  |
Security retention, amount |  | 557,919 |
Revenues | 37,569,862 | 35,551,016 | 32,424,269
Shipping and handling expenses | $ 730,751 | 776,438 | $ 630,218
Value added tax percentage | 16.00% |  |
Cash and cash equivalents | $ 1,477,873 | 10,863,040 |
Held in cash balance | 90,783 |  |
FDIC insurance limits | $ 250,000 |  |
Supplier, description | For the years ended December 31, 2018, 2017 and 2016, the Company purchased approximately 28%, 31% and 41% of its raw materials from one major supplier, respectively. |  |
Vendors, description | Advanced payments to three major vendors accounted for 20%, 17% and 11% of the total advance payments outstanding as of December 31, 2018. Advanced payments to three major vendors accounted for 23%, 17% and 16% of the total advance payments outstanding as of December 31, 2017. |  |
United States [Memebr] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Held in cash balance | $ 181 | 3,356 |
BVI [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Held in cash balance | 245,874 | 8,774,608 |
Hong Kong [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Held in cash balance | $ 73,540 | $ 51,634 |
REIT Changjiang [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Non-controlling equity interest percentage |  | 15.68% |
Accounts Receivable [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Concentration risk, Percentage | 10.00% | 10.00% | 10.00%
Sales Revenue, Net [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Concentration risk, Percentage | 10.00% | 10.00% | 10.00%
Federal Deposit Insurance Corporation [Member] |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |
Cash and cash equivalents | $ 1,065,774 | $ 2,018,199 |

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