<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998             DEC-31-1998             DEC-31-1999
<PERIOD-START>                             OCT-01-1999             OCT-01-1998             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               DEC-31-1999             OCT-31-1998             DEC-31-1998             DEC-31-1999
<CASH>                                               0                       0                  34,736                  94,283
<SECURITIES>                                         0                       0                       0               7,691,791
<RECEIVABLES>                                        0                       0              14,672,275              19,031,479
<ALLOWANCES>                                         0                       0                       0                       0
<INVENTORY>                                          0                       0               8,071,500              27,795,284
<CURRENT-ASSETS>                                     0                       0              25,111,371              58,683,364
<PP&E>                                               0                       0              22,164,951              63,058,152
<DEPRECIATION>                                       0                       0             (2,349,407)             (4,497,227)
<TOTAL-ASSETS>                                       0                       0              45,962,582             117,907,557
<CURRENT-LIABILITIES>                                0                       0              25,083,846              42,604,712
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                             0                       0               1,694,931              40,757,891
<OTHER-SE>                                           0                       0               4,594,459               3,996,548
<TOTAL-LIABILITY-AND-EQUITY>                         0                       0              45,962,582             117,907,557
<SALES>                                     21,436,330              19,458,427              44,888,324              53,871,762
<TOTAL-REVENUES>                            21,436,330              19,458,427              44,888,324              53,871,762
<CGS>                                       13,287,367              13,935,578              31,167,724              35,313,825
<TOTAL-COSTS>                               16,581,510              16,634,275              37,154,812              44,616,924
<OTHER-EXPENSES>                                84,473                  17,619                 159,059                (95,709)
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                             738,252                 471,197               1,337,938               2,873,674
<INCOME-PRETAX>                              4,201,041               2,335,336               6,240,034               6,476,873
<INCOME-TAX>                                   504,924                       0                       0                 633,238
<INCOME-CONTINUING>                                  0                       0                       0                       0
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                 913,952
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                 3,696,117               2,335,336               6,240,034               4,929,683
<EPS-BASIC>                                       0.27                    0.25                    0.66                    0.46
<EPS-DILUTED>                                     0.26                    0.25                    0.66                    0.45


</TABLE>