Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
China Railways JF2
Table title:
History
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Owner </th><th colspan=1 rowspan=1 > Class & numbers (1924–1938) </th><th colspan=1 rowspan=1 > Class & numbers (1938–1945) </th><th colspan=1 rowspan=1 > Builder </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Works numbers </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1600–ミカニ1604 </td><td colspan=1 rowspan=1 > ミカニ1–ミカニ5 </td><td colspan=1 rowspan=1 > ALCO </td><td class="highlighted"  colspan=1 rowspan=1 > 1924 </td><td colspan=1 rowspan=1 > 65435–65439 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1605–ミカニ1608 </td><td colspan=1 rowspan=1 > ミカニ6–ミカニ9 </td><td class="highlighted"  colspan=1 rowspan=1 > South Manchuria Ry. Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1926 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1609–ミカニ1613 </td><td colspan=1 rowspan=1 > ミカニ10–ミカニ14 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1927 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1614–ミカニ1616 </td><td colspan=1 rowspan=1 > ミカニ15–ミカニ17 </td><td colspan=1 rowspan=1 > Kawasaki </td><td class="highlighted"  colspan=1 rowspan=1 > 1927 </td><td colspan=1 rowspan=1 > 1248–1250 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1617–ミカニ1620 </td><td colspan=1 rowspan=1 > ミカニ18–ミカニ21 </td><td colspan=1 rowspan=1 > Kisha Seizō </td><td class="highlighted"  colspan=1 rowspan=1 > 1928 </td><td colspan=1 rowspan=1 > 1012–1015 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1621–ミカニ1626 </td><td colspan=1 rowspan=1 > ミカニ22–ミカニ27 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1928 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1627–ミカニ1634 </td><td colspan=1 rowspan=1 > ミカニ28–ミカニ35 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1929 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1635–ミカニ1637 </td><td colspan=1 rowspan=1 > ミカニ36–ミカニ38 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1930 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1638–ミカニ1639 </td><td colspan=1 rowspan=1 > ミカニ39–ミカニ40 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mantetsu </td><td colspan=1 rowspan=1 > ミカニ1640 </td><td colspan=1 rowspan=1 > ミカニ41 </td><td class="highlighted"  colspan=1 rowspan=1 > Shahekou Works </td><td class="highlighted"  colspan=1 rowspan=1 > 1932 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Who built the China Railways JF2?
Answer:
China Railways JF2 was originally built for the Mantetsu by several manufacturers as well as by Shahekou Works, between 1924 and 1932.