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Statutory Reserve (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Summary of statutory reserve activity  
Balance $ 3,294,199us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
Addition to statutory reserves 136,398cws_AdditionToStatutoryReserves
Balance 3,430,597us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
Dyeing [Member]  
Summary of statutory reserve activity  
Balance 922,527us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_DyeingMember
Addition to statutory reserves 74,821cws_AdditionToStatutoryReserves
/ dei_LegalEntityAxis
= cws_DyeingMember
Balance 997,348us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_DyeingMember
Heavy Industries [Member]  
Summary of statutory reserve activity  
Balance 1,168,796us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_ElectricMember
Addition to statutory reserves   
Balance 1,168,796us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_ElectricMember
Fulland wind energy [Member]  
Summary of statutory reserve activity  
Balance 1,202,876us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_WuxiFullandMember
Addition to statutory reserves 61,577cws_AdditionToStatutoryReserves
/ dei_LegalEntityAxis
= cws_WuxiFullandMember
Balance $ 1,264,453us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
/ dei_LegalEntityAxis
= cws_WuxiFullandMember