Robot arms, as we called Manipulator. We can divide them into 1-axis, 2-axis, 3-axis, 5-axis robot arm from the servo motor quantity. On Alibaba, There is a report that record Top 10 popular search country for the robot arm industry: America come to the first, and then India, Turkey, Australia, Philippines, England, Russia, Canada, Thailand, Germany. The report also said that the buyer's quantity is twice over the buyer. The seller are focus on the southeast of China, like Guangdong province, Jiangsu province, shangdong province, and Zhejiang province and so on. The report records the searched hot key words as well, like Pick up robot arm, robotic arm, China industry robot arm price, 6 axis robot arm, robotic arm price, IML robot, robot hand, and three axis robot arm, some of the hot words are keeping rising. We have to say, among all the products, the three axis robot arm has a highest price-quality ratio which is mean the most popular robot arm.