大家给看看这邮件写的用词合不合适

dear sir,
thank you for your inquiry letter. learning from the attachments that semiflexible solar panel may not crystalline solar panel type.much as we would like to cooperate with you in expanding our business area,we are regretful that we are not able to afford that type of solar panels as we mainly manufacture crystalline solar panel.
we sincerely hope we he the opportunity to cooperate in the future.
wishing the best in your business!
由于买方发来询盘中的产品我司不生产，所以回复了这样的邮件。[微笑]