Enclosed please find our Sales Contract No. 3949 in duplicate for your counter-signature.
随函附寄地3949号销售合同一式两份，请会签，并尽早寄回一份。
2
Enclosed please find our Sales Contract No. in duplicate for your counter-signature. Please sign and return one copy to us for our records as soon as possible.
随函附上我方号合同一式两份，请会签后尽快寄回一份供我方备案。
3
Your countersignature is not in agreement with the signature on the upper left corner.