翻译，中译英，商务句子

Because production has not yet formally started, so we not a model, what can be done only by the two sets of all the tests?

We don't have many samples because the production hasn't started yet. Can the testing be conducted using that two samples?

We don't have many samples as we haven't officially started our production. Would it be all right if we conduct all the tests by using the two samples only?

As the production has not been formally started yet, we haven't got enough sample model. Would you please do the whole testing using those two sets?