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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