<SEC-DOCUMENT>0001213900-17-004750-index.html : 20170508
<SEC-HEADER>0001213900-17-004750.hdr.sgml : 20170508
<ACCEPTANCE-DATETIME>20170508165851
ACCESSION NUMBER:		0001213900-17-004750
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170508
DATE AS OF CHANGE:		20170508
GROUP MEMBERS:		DEBORAH WAI MING YUEN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cleantech Solutions International, Inc.,
		CENTRAL INDEX KEY:			0000819926
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY) [3550]
		IRS NUMBER:				900648920
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-83413
		FILM NUMBER:		17823205

	BUSINESS ADDRESS:	
		STREET 1:		NO. 9 YANYU MIDDLE ROAD QIANZHOU VILLAGE
		STREET 2:		HUISHAN DISTRICT, WUXI CITY
		CITY:			JIANGSU PROVINCE,
		STATE:			F4
		ZIP:			00000
		BUSINESS PHONE:		(86) 51083397559

	MAIL ADDRESS:	
		STREET 1:		NO. 9 YANYU MIDDLE ROAD QIANZHOU VILLAGE
		STREET 2:		HUISHAN DISTRICT, WUXI CITY
		CITY:			JIANGSU PROVINCE,
		STATE:			F4
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	China Wind Systems, Inc
		DATE OF NAME CHANGE:	20071221

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MALEX INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			YSK 1860 Co., Ltd
		CENTRAL INDEX KEY:			0001706130
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			K3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		CORNWALL CENTER, NO.85 CASTLE PEAK ROAD
		STREET 2:		COFFEE BAY
		CITY:			TUEN MUN, N.T.
		STATE:			K3
		ZIP:			00000
		BUSINESS PHONE:		085221563760

	MAIL ADDRESS:	
		STREET 1:		CORNWALL CENTER, NO.85 CASTLE PEAK ROAD
		STREET 2:		COFFEE BAY
		CITY:			TUEN MUN, N.T.
		STATE:			K3
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>sc13d0517ysk_cleantech.htm
<DESCRIPTION>SCHEDULE 13D
<TEXT>
Document 1 - file: sc13d0517ysk_cleantech.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-7.1
<SEQUENCE>2
<FILENAME>sc13d0517yskex7i_cleantech.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: sc13d0517yskex7i_cleantech.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-7.2
<SEQUENCE>3
<FILENAME>sc13d0517yskex7ii_cleantech.htm
<DESCRIPTION>SHARE PURCHASE AGREEMENT
<TEXT>
Document 3 - file: sc13d0517yskex7ii_cleantech.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-7.3
<SEQUENCE>4
<FILENAME>sc13d0517yskex7iii_cleantech.htm
<DESCRIPTION>INDIVIDUAL GUARANTEE
<TEXT>
Document 4 - file: sc13d0517yskex7iii_cleantech.htm

</DOCUMENT>
</SEC-DOCUMENT>