Commitment and Contingencies	3 Months Ended
Mar. 31, 2018
Commitment and Contingencies [Abstract]
COMMITMENT AND CONTINGENCIES	NOTE 17 – COMMITMENT AND CONTINGENCIES Equity investment commitment On December 26, 2016, Dyeing made an equity investment with one unrelated company in Shengxin, a newly-formed entity which plans to develop, construct and maintain photovoltaic power generation projects in China. Shengxin’s total registered capital is RMB 200 million (approximately $31.8 million). Dyeing has agreed to invest RMB 60,000,000 (approximately $9,543,000) for a 30% equity interest and had invested RMB 59,800,000 (approximately $9,511,000) as of March 31, 2018. Mr. Xue has a commitment to invest RMB 140,000,000 (approximately $22.3 million) for a 70% interest. Mr. Xue contributed RMB 60,000,000 (approximately $9.5 million), and he advised Dyeing that he anticipates that he will fund the balance of his commitment during 2018. Since Mr. Xue did not make this payment by the end of 2017, Dyeing has the right to amend the contract, and both parties may adjust each sides’ equity interest to reflect the amount of capital each side has actually invested. As of the date of this report, the contract had not been amended. As of March 31, 2018, Shengxin had minimal operations. For the three months ended March 31, 2018 and 2017, the Company recorded a loss on equity method investment of $72,412 and $18,355, respectively. Litigation: On or about November 14, 2017, a complaint was filed in the United States District Court for the Eastern District of New York, captioned Morris Ackerman v. Cleantech Solutions International, Inc. The complaint alleged that the Company’s proxy statement, which included a proposal to amend the Company’s long-term incentive plan to provide for the grant of incentive and non-qualified options and stock grants to employees and others, did not comply with the disclosure requirements for proxy statements. The parties reached a confidential settlement on or about December 20, 2017, and the plaintiff voluntarily dismissed the action with prejudice on or about January 2, 2018. In connection with this settlement, the Company paid $50,000. On February 2, 2018, the law firm of Ellenoff Grossman & Schole LLP (“EGS”) filed a complaint against the Company along with a number of companies and individuals in an effort to recover their legal fees in connection with services provided to the other defendants. The lawsuit contends that the Company is the alter ego or successor in interest of those other defendants. Pursuant to the stipulation of discontinuance dated April 30, 2018, the EGS claim is discontinued without prejudices and without costs as to the Company only. From time to time the Company may become a party to litigation in the normal course of business. Management believes that there are no current legal matters that would have a material effect on the Company’s financial position or results of operations. Transfer agreement On August 4, 2017, the Company’s wholly-owned subsidiary, EC Power (Global) Technology Limited (“EC Power”), entered into a Transfer Agreement (the “Transfer Agreement”) with ECoin Global Limited (“ECoin”), to purchase ECoin Redemption Codes (the “Codes”) produced by ECoin for total future consideration of $20,000,000 (the “Transfer Consideration”). In accordance with the Agreement, EC Power will market the Codes, which contain a value that enables subscribers to upload certain number of items onto ECrent’s website for rental. The Codes have a validity period of four years, and will not expire until August 3, 2021 (the “Expiry Date”). The Transfer Consideration will be paid by EC Power to ECoin in installments, with each installment payable not later than thirty days after the end of December 31^stin each calendar year. Each installment will represent an amount equal to 50% of the net sale proceeds of the Codes sold during each calendar year. The aggregate of installments shall not exceed the Transfer Consideration. Any balance outstanding of the Transfer Consideration at the Expiry Date will be paid and discharged by the issuance and delivery to ECoin of common stock of the Company in accordance with the terms of the Agreement. The number of shares to be issued or delivered shall be an amount equal to (i) the balance due; divided by (ii) the VWAP of the shares for the period of twenty trading days immediately preceding the Expiry Date, provided always that in no circumstances shall shares be issued or delivered hereunder to the ECoin in excess of 19% of the issued and outstanding ordinary Shares of the Company. As of the date of this report, EC Power has not taken possession of any redemption codes and as of March 31, 2018, EC Power has not sold any redemption codes.

NOTE 17 – COMMITMENT AND CONTINGENCIES

Equity investment commitment

On December 26, 2016, Dyeing made an equity investment with one unrelated company in Shengxin, a newly-formed entity which plans to develop, construct and maintain photovoltaic power generation projects in China. Shengxin’s total registered capital is RMB 200 million (approximately $31.8 million). Dyeing has agreed to invest RMB 60,000,000 (approximately $9,543,000) for a 30% equity interest and had invested RMB 59,800,000 (approximately $9,511,000) as of March 31, 2018. Mr. Xue has a commitment to invest RMB 140,000,000 (approximately $22.3 million) for a 70% interest. Mr. Xue contributed RMB 60,000,000 (approximately $9.5 million), and he advised Dyeing that he anticipates that he will fund the balance of his commitment during 2018. Since Mr. Xue did not make this payment by the end of 2017, Dyeing has the right to amend the contract, and both parties may adjust each sides’ equity interest to reflect the amount of capital each side has actually invested. As of the date of this report, the contract had not been amended. As of March 31, 2018, Shengxin had minimal operations. For the three months ended March 31, 2018 and 2017, the Company recorded a loss on equity method investment of $72,412 and $18,355, respectively.

Litigation:

On or about November 14, 2017, a complaint was filed in the United States District Court for the Eastern District of New York, captioned Morris Ackerman v. Cleantech Solutions International, Inc. The complaint alleged that the Company’s proxy statement, which included a proposal to amend the Company’s long-term incentive plan to provide for the grant of incentive and non-qualified options and stock grants to employees and others, did not comply with the disclosure requirements for proxy statements. The parties reached a confidential settlement on or about December 20, 2017, and the plaintiff voluntarily dismissed the action with prejudice on or about January 2, 2018. In connection with this settlement, the Company paid $50,000.

On February 2, 2018, the law firm of Ellenoff Grossman & Schole LLP (“EGS”) filed a complaint against the Company along with a number of companies and individuals in an effort to recover their legal fees in connection with services provided to the other defendants. The lawsuit contends that the Company is the alter ego or successor in interest of those other defendants. Pursuant to the stipulation of discontinuance dated April 30, 2018, the EGS claim is discontinued without prejudices and without costs as to the Company only.

From time to time the Company may become a party to litigation in the normal course of business. Management believes that there are no current legal matters that would have a material effect on the Company’s financial position or results of operations.

Transfer agreement

On August 4, 2017, the Company’s wholly-owned subsidiary, EC Power (Global) Technology Limited (“EC Power”), entered into a Transfer Agreement (the “Transfer Agreement”) with ECoin Global Limited (“ECoin”), to purchase ECoin Redemption Codes (the “Codes”) produced by ECoin for total future consideration of $20,000,000 (the “Transfer Consideration”). In accordance with the Agreement, EC Power will market the Codes, which contain a value that enables subscribers to upload certain number of items onto ECrent’s website for rental. The Codes have a validity period of four years, and will not expire until August 3, 2021 (the “Expiry Date”). The Transfer Consideration will be paid by EC Power to ECoin in installments, with each installment payable not later than thirty days after the end of December 31^stin each calendar year.

Each installment will represent an amount equal to 50% of the net sale proceeds of the Codes sold during each calendar year. The aggregate of installments shall not exceed the Transfer Consideration. Any balance outstanding of the Transfer Consideration at the Expiry Date will be paid and discharged by the issuance and delivery to ECoin of common stock of the Company in accordance with the terms of the Agreement. The number of shares to be issued or delivered shall be an amount equal to (i) the balance due; divided by (ii) the VWAP of the shares for the period of twenty trading days immediately preceding the Expiry Date, provided always that in no circumstances shall shares be issued or delivered hereunder to the ECoin in excess of 19% of the issued and outstanding ordinary Shares of the Company. As of the date of this report, EC Power has not taken possession of any redemption codes and as of March 31, 2018, EC Power has not sold any redemption codes.