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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 K0EwLJIpJHTdWUme0XjE31aweCAJ9zKa5kuS6PnKppUaxgPWjukTNnj5dqF4u+JO
 5GiYtd8d9Wz+sQ8ixksquA==

<SEC-DOCUMENT>0001209191-03-023331.txt : 20030929
<SEC-HEADER>0001209191-03-023331.hdr.sgml : 20030929
<ACCEPTANCE-DATETIME>20030929182851
ACCESSION NUMBER:		0001209191-03-023331
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030714
FILED AS OF DATE:		20030929

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LIM HWEE POH
		CENTRAL INDEX KEY:			0001247598

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14523
		FILM NUMBER:		03916038

	MAIL ADDRESS:	
		STREET 1:		39 WARINGIN WALK
		CITY:			SINGAPORE
		STATE:			U0
		ZIP:			416292

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRIO TECH INTERNATIONAL
		CENTRAL INDEX KEY:			0000732026
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				952086631
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0625

	BUSINESS ADDRESS:	
		STREET 1:		355 PARKSIDE DR
		CITY:			SAN FERNANDO
		STATE:			CA
		ZIP:			91340
		BUSINESS PHONE:		8183659200

	MAIL ADDRESS:	
		STREET 1:		355 PARKSIDE DRIVE
		CITY:			SAN FERNANDO
		STATE:			CA
		ZIP:			91340
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-07-14</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000732026</issuerCik><issuerName>TRIO TECH INTERNATIONAL</issuerName>        <issuerTradingSymbol>TRT</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001247598</rptOwnerCik><rptOwnerName>LIM HWEE POH</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>39 WARINGIN WALK</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>SINGAPORE</rptOwnerCity><rptOwnerState>U0</rptOwnerState><rptOwnerZipCode>416292</rptOwnerZipCode><rptOwnerStateDescription>SINGAPORE</rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice President of Testing</officerTitle></reportingOwnerRelationship></reporting
Owner><derivativeTable><derivativeTransaction><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>2.66</value></conversionOrExercisePrice><transactionDate><value>2003-07-14</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>5000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-07-14</value></exerciseDate><expirationDate><value>2008-04-14</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>TRT Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>5000</
value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes></footnotes><remarks></remarks><ownerSignature><signatureName>Dale C. Cheesman, POA</signatureName><signatureDate>2003-09-29</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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