求翻译：我们将合同填写好后，寄给了北京一统，要求盖章后返回，他们没有及时返回是这份合同比其他公司的合同要晚的主要原因。具体细节我再请我的同事一起回忆一下再回复你。是什么意思？

We filled out the contract sent to Beijing dominate the return seal is required, they do not have to return on time is the main reason for this contract is later than any other company's contract. Specific details I would ask my colleagues recall to get back to you.

We will be filling out contracts, sent to the Beijing, the seal is required to return, they did not go back in time, the contract than any other company in the contract to night. Specific details I would like to see my colleagues recall to you.

After we fill in the contract, sent for a Beijing series, after the request has stamped returns, they did not have the prompt returns are this contract want the late primary cause compared to other company's contract.The concrete detail I ask me the colleague to recollect together again reply you ag

When we fill in the contract, sent to the Beijing yitong, after sealing required returns, they did not return in time to be the contract than the other main reason for the company's contract later. Specific details I'll ask my colleagues recall and then get back to you.

正在翻译，请等待...