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| | <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" order="20" use="optional" weight="-1" priority="1"/> |
| | <loc xlink:type="locator" xlink:href="hitk-20120731.xsd#hitk_AllowanceForAccountsReceivableReturnAndOtherAllowance" xlink:label="hitk_AllowanceForAccountsReceivableReturnAndOtherAllowance"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="hitk_AllowanceForAccountsReceivableReturnAndOtherAllowance" order="40" use="optional" weight="-1" priority="1"/> |
| | <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="us-gaap_AccountsReceivableGrossCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableGrossCurrent" order="60" use="optional" weight="1" priority="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.hitechpharm.com/role/AccountsReceivableDetails1" xlink:title="06051 - Disclosure - Accounts Receivable (Details 1)"/> |
| <calculationLink xlink:type="extended" xlink:role="http://www.hitechpharm.com/role/AccountsReceivableDetailsTextual" xlink:title="06052 - Disclosure - Accounts Receivable (Details Textual)"/> |
| </linkbase> |