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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 R0yFrfAQ9t1vHtKjtRqAAw==

<SEC-DOCUMENT>0001144204-10-041729.txt : 20100806
<SEC-HEADER>0001144204-10-041729.hdr.sgml : 20100806
<ACCEPTANCE-DATETIME>20100806065404
ACCESSION NUMBER:		0001144204-10-041729
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100805
FILED AS OF DATE:		20100806
DATE AS OF CHANGE:		20100806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WONG TSE YIU
		CENTRAL INDEX KEY:			0001223173

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-33123
		FILM NUMBER:		10996258

	MAIL ADDRESS:	
		STREET 1:		4TH FL BLDG E NO 501
		STREET 2:		JEN GANG RD
		CITY:			SHANGHAI CHINA
		STATE:			F4
		ZIP:			9999999

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHINA AUTOMOTIVE SYSTEMS INC
		CENTRAL INDEX KEY:			0001157762
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				330885775
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		NO. 1, HENGLONG ROAD
		STREET 2:		YU QIAO DEVELOPMENT ZONE,JINGZHOU CICITY
		CITY:			HUBEI PROVINCE
		STATE:			F4
		ZIP:			XXXXX
		BUSINESS PHONE:		0716-8324631

	MAIL ADDRESS:	
		STREET 1:		NO. 1, HENGLONG ROAD
		STREET 2:		YU QIAO DEVELOPMENT ZONE,JINGZHOU CITY
		CITY:			HUBEI PROVINCE
		STATE:			F4
		ZIP:			XXXXX

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VISIONS IN GLASS INC
		DATE OF NAME CHANGE:	20010820
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v192774_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001157762</issuerCik>
        <issuerName>CHINA AUTOMOTIVE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>CAAS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001223173</rptOwnerCik>
            <rptOwnerName>WONG TSE YIU</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4TH FL BLDG E NO 501</rptOwnerStreet1>
            <rptOwnerStreet2>JEN GANG RD</rptOwnerStreet2>
            <rptOwnerCity>JINQIAO DEV., PUDONG, SHANGHAI</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>20126</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15232</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>421377</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Tse Yiu Wong</signatureName>
        <signatureDate>2010-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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