If you don't know how to classify your products, that is, which category it belongs to, then you can use the product-more data software "product-more information chain" (formerly known as product-more staff) to search for names and see which category the competing products belong to, so as to avoid making mistakes, which is very practical.

Crystal is a rare mineral, a kind of gem, and a timely crystal, which belongs to the timely family in mineralogy. The main chemical composition is silicon dioxide, and the chemical formula is SiO2.

When pure, colorless and transparent crystals are formed. When containing trace elements such as aluminum and iron, it is pink, purple, yellow and brown. After irradiation, trace elements form different types of color centers and produce different colors, such as purple, yellow, brown and pink. Minerals containing associated inclusions are called inclusion crystals, such as hair crystal, green ghost, red rabbit hair and so on. Inclusions include rutile, tourmaline, actinolite, mica and chlorite.

Pinduoduo is the mainstream e-commerce application product of domestic mobile Internet. The third-party social e-commerce platform focusing on C2M group purchase was established in September 2065438+2005. By initiating group shopping with friends, family and neighbors, users can buy high-quality goods at lower prices.

Duoduo aims to gather the strength of more people, buy better things at lower prices and experience more benefits and fun. The social concept formed through communication and sharing has formed Pinduoduo's unique new thinking of social e-commerce.