It is not only your custom, but also the custom in many places in China that the man sends gifts to the woman's family, which means friendship between the two families.
Your idea of giving your wife an engagement gift is very good, and your wife will definitely be very happy. Here I recommend several engagement gifts for your wife, and I hope it will be helpful to you.
1. Customized ring: Because rings are given when getting married, the engagement rings should be creative and cannot be repeated. Customized name rings are very good.
2. Pearl necklace: Pearls represent permanence, luxury, purity, and it is also said that it can bring health and longevity, so it also symbolizes health and longevity. The meaning is very beautiful.
3. Customized makeup mirror: A makeup mirror that every woman will use. Giving it to your wife as an engagement gift is very practical, and she can use it every day. It is forged with precious metals such as copper and stainless steel, and photos can be customized on the mirror surface, which is very personalized.