﻿<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2024v5.1" xmlns="http://www.irs.gov/efile" xsi:schemaLocation="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-04-10T10:50:46-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>865137695</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>JUSTIN SUN</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>150 LOS ROBLES AVE SUITE 710-2</AddressLine1Txt>
        <CityNm>PASADENA</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>91101</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>853396633</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>PINGPONG DIPLOMACY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>PING</BusinessNameControlTxt>
      <PhoneNum>6263460909</PhoneNum>
      <USAddress>
        <AddressLine1Txt>4325 HIDDEN OAKS DRIVE</AddressLine1Txt>
        <CityNm>YORBA LINDA</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>92886</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>SOPHIE</PersonNm>
      <PersonTitleTxt>CEO</PersonTitleTxt>
      <PhoneNum>6263460909</PhoneNum>
      <SignatureDt>2025-04-03</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JUSTIN SUN</PreparerPersonNm>
      <PTIN>P02360263</PTIN>
      <PhoneNum>6262543308</PhoneNum>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="1">
    <IRS990PF documentId="IRS990PF">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>6028</FMVAssetsEOYAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AnalysisOfRevenueAndExpenses>
        <NetRentalIncomeOrLossAmt>0</NetRentalIncomeOrLossAmt>
        <TotalRevAndExpnssAmt>0</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>0</TotalNetInvstIncmAmt>
        <TravConfMeetingRevAndExpnssAmt>2614</TravConfMeetingRevAndExpnssAmt>
        <TotOprExpensesRevAndExpnssAmt>2614</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>0</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>1000</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>0</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>3614</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>0</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-3614</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>9642</CashBOYAmt>
        <CashEOYAmt>6028</CashEOYAmt>
        <CashEOYFMVAmt>6028</CashEOYFMVAmt>
        <TotalAssetsBOYAmt>9642</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>6028</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>6028</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
        <NoDonorRstrNetAssestsBOYAmt>9642</NoDonorRstrNetAssestsBOYAmt>
        <NoDonorRstrNetAssestsEOYAmt>6028</NoDonorRstrNetAssestsEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>9642</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>6028</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>9642</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>6028</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>9642</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-3614</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>6028</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>6028</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>0</InvestmentIncomeExciseTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <NewSubstantialContributorsInd>0</NewSubstantialContributorsInd>
        <ComplyWithPublicInspRqrInd>0</ComplyWithPublicInspRqrInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp />
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <BusinessName>
            <BusinessNameLine1Txt>SOPHIE ZHANG</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>4325 HIDDEN OAKS DR</AddressLine1Txt>
            <CityNm>YORBA LINDA</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>92886</ZIPCd>
          </USAddress>
          <TitleTxt>CEO</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <BusinessName>
            <BusinessNameLine1Txt>LIANGCHE LI</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>588 LAKEVIEW AVE</AddressLine1Txt>
            <CityNm>PLACENTIA</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>92870</ZIPCd>
          </USAddress>
          <TitleTxt>CFO</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <BusinessName>
            <BusinessNameLine1Txt>CHEN SHEN</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>13200 CROSSROADS PKW</AddressLine1Txt>
            <CityNm>ROWLAND HEIGHTS</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91748</ZIPCd>
          </USAddress>
          <TitleTxt>SECRETARY</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp />
      <SumOfProgramRelatedInvstGrp />
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>0</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>0</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>9642</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>9642</TotalFMVOfUnusedAssetsAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>9642</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>145</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>9497</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>475</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>475</MinimumInvestmentReturnAmt>
        <DistributableBeforeAdjAmt>475</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>475</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>475</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>0</ExpensesAndContributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>475</DistributableAsAdjustedAmt>
        <UndistributedIncomeCYAmt>475</UndistributedIncomeCYAmt>
      </UndistributedIncomeGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <ApplicationSubmissionInfoGrp>
          <RecipientPersonNm>SINO-US BRIDGE PROGRAMSUBP</RecipientPersonNm>
          <RecipientForeignAddress>
            <AddressLine1Txt>YOUTH4AM</AddressLine1Txt>
            <CityNm>NOT DISCLOSED</CityNm>
            <ProvinceOrStateNm>BEIJING</ProvinceOrStateNm>
            <CountryCd>CH</CountryCd>
          </RecipientForeignAddress>
        </ApplicationSubmissionInfoGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SINO-US BRIDGE PROGRAM (SUBP)</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientForeignAddress>
            <AddressLine1Txt>YOUTH4AM</AddressLine1Txt>
            <CityNm>NOT DISCLOSED</CityNm>
            <ProvinceOrStateNm>BEIJING</ProvinceOrStateNm>
            <CountryCd>CH</CountryCd>
          </RecipientForeignAddress>
          <GrantOrContributionPurposeTxt>DONATION</GrantOrContributionPurposeTxt>
          <Amt>1000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>1000</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp />
    </IRS990PF>
  </ReturnData>
</Return>