some items are considered unlucky, or to resemble death or separation; for example, sharp objects, clocks, pears, and shoes. You’d better not give them as gifts.
--Sakshirajput
21
gift might not be opened in your presence since it may lead to loss of face to open a gift in front of the giver.
--Sakshirajput
Do Present and receive things with both hands. This is considered polite in Chinese culture.
--Sakshirajput
21
Red envelope known as Hongbao (with money inside) is a traditional gift which you can give on any occasion like marriage, new year, job promotion or any place to wish good luck to Chinese people
--Deb