<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 3.0.2681.0 (2007-02-06 18:45).  
Contact www.ubmatrix.com
Copyright (c) 2002-2007 UBmatrix inc., All Rights Reserved
Produced on 2007-03-02 15:29:10
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ci="http://www.xbrl.us/patterns/2007/RelatedConcepts" targetNamespace="http://www.xbrl.us/patterns/2007/RelatedConcepts" elementFormDefault="qualified" attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="RelatedConcepts-label.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="RelatedConcepts-presentation.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <complexType name="InventoryValuationMethodItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType">
        <enumeration value="Cost" />
        <enumeration value="NetRealizableValue" />
        <enumeration value="LowerOfCostOrNetRealizableValue" />
      </restriction>
    </simpleContent>
  </complexType>
  <element id="ci_AccountingPolicies" name="AccountingPolicies" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_BankBorrowingsPolicy" name="BankBorrowingsPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_BasisOfPresentation" name="BasisOfPresentation" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DescriptionNetRealizableValue" name="DescriptionNetRealizableValue" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DescriptionOfInventoryComponents" name="DescriptionOfInventoryComponents" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_FinancialInstrumentsPolicy" name="FinancialInstrumentsPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_InventoryCostMethod" name="InventoryCostMethod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_InventoryPolicy" name="InventoryPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_InventoryValuationMethod" name="InventoryValuationMethod" type="ci:InventoryValuationMethodItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_InvestmentsInSecuritiesPolicy" name="InvestmentsInSecuritiesPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_OtherAccountingPolicies" name="OtherAccountingPolicies" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_ProvisionsPolicy" name="ProvisionsPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_TradeReceivablesPolicy" name="TradeReceivablesPolicy" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
</schema>
