Correct

信笺

/ xìnjiān / 
Strokes

Definition

letter/letter paper

Example

As a Noun

letter/writing paper

1
Shāngyòng
商用
xìnjiān
信笺

business letterhead

2
Mǒu
某
suǒ
所
dàxué
大学
de
的
xìnjiān
信笺

letterhead of a university