Hangzhou Changchuan Technology Co.,Ltd, together with its subsidiaries, researches and develops, produces, and sells integrated circuit equipment and high-frequency communication materials in China and internationally. The company offers testing equipment for integrated circuit packaging and testing companies, wafer manufacturing companies, and chip design companies, etc. It also provides handlers comprising tri-temp pick and place, ambient/high-temp pick and place, SLT tri-temp pick and place, SLT ambient/high-temp pick and place, gravity, and turret handlers; testers consisting of mixed signal, power, digital, and burn-in testers; probers, including ambient/high-temp and tri-temp probers; and AOI equipment, such as defect inspection and metrology equipment, and bare die test handlers. In addition, the company offers solution consultation; after-sale services and support, including spare parts services, technical support, and software/hardware upgrades; application engineering development services, such as engineering and test interface hardware development; training; and online report services for maintenance. Further, it engages in trading; research and development; and investment management activities. The company's products are used in automotive electronics, mobile and consumer, server and fixed-line communication, medical care, 5G communications, cloud computing, and other industry applications. Hangzhou Changchuan Technology Co.,Ltd was founded in 2008 and is headquartered in Hangzhou, China.