<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="485100Q97604EIEC1Y21-2025-12-31.xsd#tecbd_Reserves" xlink:label="Reserves" xlink:title="Reserves" xlink:type="locator" />
    <link:label id="label_ReservesLabel_82590" xlink:label="label_ReservesLabel_82590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReservesLabel_82590" xml:lang="bg" xlink:type="resource">Резерви</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Reserves" xlink:title="label: from Reserves to label_ReservesLabel_82590" xlink:to="label_ReservesLabel_82590" xlink:type="arc" />
    <link:loc xlink:href="485100Q97604EIEC1Y21-2025-12-31.xsd#tecbd_TaxLiabilities" xlink:label="TaxLiabilities" xlink:title="TaxLiabilities" xlink:type="locator" />
    <link:label id="label_TaxLiabilitiesLabel_95470" xlink:label="label_TaxLiabilitiesLabel_95470" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TaxLiabilitiesLabel_95470" xml:lang="bg" xlink:type="resource">Данъчни задължения</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxLiabilities" xlink:title="label: from TaxLiabilities to label_TaxLiabilitiesLabel_95470" xlink:to="label_TaxLiabilitiesLabel_95470" xlink:type="arc" />
    <link:loc xlink:href="485100Q97604EIEC1Y21-2025-12-31.xsd#tecbd_OtherTaxPaid" xlink:label="OtherTaxPaid" xlink:title="OtherTaxPaid" xlink:type="locator" />
    <link:label id="label_OtherTaxPaidLabel_79240" xlink:label="label_OtherTaxPaidLabel_79240" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherTaxPaidLabel_79240" xml:lang="bg" xlink:type="resource">4. Платени други данъци</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherTaxPaid" xlink:title="label: from OtherTaxPaid to label_OtherTaxPaidLabel_79240" xlink:to="label_OtherTaxPaidLabel_79240" xlink:type="arc" />
    <link:loc xlink:href="485100Q97604EIEC1Y21-2025-12-31.xsd#tecbd_ExchangeDifference" xlink:label="ExchangeDifference" xlink:title="ExchangeDifference" xlink:type="locator" />
    <link:label id="label_ExchangeDifferenceLabel_56850" xlink:label="label_ExchangeDifferenceLabel_56850" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ExchangeDifferenceLabel_56850" xml:lang="bg" xlink:type="resource">6. Курсови разлики</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExchangeDifference" xlink:title="label: from ExchangeDifference to label_ExchangeDifferenceLabel_56850" xlink:to="label_ExchangeDifferenceLabel_56850" xlink:type="arc" />
    <link:loc xlink:href="485100Q97604EIEC1Y21-2025-12-31.xsd#tecbd_NetEaningsPerShare" xlink:label="NetEaningsPerShare" xlink:title="NetEaningsPerShare" xlink:type="locator" />
    <link:label id="label_NetEaningsPerShareLabel_33095" xlink:label="label_NetEaningsPerShareLabel_33095" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetEaningsPerShareLabel_33095" xml:lang="bg" xlink:type="resource">Нетен доход на акция</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetEaningsPerShare" xlink:title="label: from NetEaningsPerShare to label_NetEaningsPerShareLabel_33095" xlink:to="label_NetEaningsPerShareLabel_33095" xlink:type="arc" />
  </link:labelLink>
</link:linkbase>