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Statutory Reserves (Details) - Dec. 31, 2017
USD ($)
CNY (¥)
Shanghai TCH [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital $ 29,800,000  
Maximum statutory reserve amount 14,900,000  
Statutory reserve 1,003,859 ¥ 6,564,303
Xi'an TCH [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital | ¥   202,000,000
Maximum statutory reserve amount | ¥   101,000,000
Statutory reserve 10,606,984 69,359,820
Erdos TCH [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital | ¥   120,000,000
Maximum statutory reserve amount | ¥   60,000,000
Statutory reserve 2,914,869 19,035,814
Xi'an Zhonghong [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital | ¥   30,000,000
Maximum statutory reserve amount | ¥   ¥ 15,000,000
Statutory reserve  
Shaanxi Huahong [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital 2,500,300  
Maximum statutory reserve amount 1,250,150  
Statutory reserve  
Zhongxun [Member]    
Schedule Of Statutory Reserves [Line Items]    
Capital 35,000,000  
Maximum statutory reserve amount 17,500,000  
Statutory reserve