There are several advantages of manufacturing android motherboards in China, which include:

Cost-effective labor: China has a large labor force, which results in lower labor costs, making it more cost-effective to manufacture electronic products in the country.

Advanced manufacturing facilities: China has invested heavily in its manufacturing facilities and infrastructure, making it easier to manufacture products at scale and with high quality.

Access to key components: China is home to many of the world's largest electronics components manufacturers, providing companies with easy access to the components they need to manufacture their products.

Proximity to customers: China is a major market for electronics products and is also in close proximity to other large markets in Asia, making it easier for companies to reach their customers.

Government support: The Chinese government provides various incentives to encourage domestic and foreign companies to invest in the country's electronics industry, further making it an attractive location for manufacturing.