Not expensive. According to the local network in Shantou, the testing fee of Shantou Jewelry and Jade Testing Center is between 100 yuan and 150 yuan, which is 20% lower than other testing centers, so it is not expensive. Shantou, also known as Aocheng and Aodao, is a prefecture-level city, sub-central city and second-tier city in Guangdong Province.