1, rarity: Shudulai is a rare gem, with less output and more rhinoceros, so Shudulai is of high value.

2. Material: comfortable material is very hard, high density, high wear resistance, durable, suitable for making high-end jewelry and handicrafts. The material of hairy rhinoceros is soft and has poor durability, so it is not suitable for making high-grade jewelry and handicrafts.