国产对白普通话视频_性欧美videos护士_综合图区亚洲另类图片_扒开双腿疯狂进出爽爽爽电影_婚后被调教当众高潮h喷水视频_日韩欧美福利_欧美一级激情_亚洲韩国日本综合_亚洲成年人在线_公交车上和麻麻当众做h小说

About Us

Chango Corporation was founded in 1996 and is a trusted solution provider specializing in engineering plastics welding and advanced automation technologies.

With nearly three decades of experience, we deliver high-performance process solutions in ultrasonic, laser, vibration, hot plate, hot riveting, infrared welding, as well as vision inspection, end-of-line (EOL) testing, dispensing, greasing, potting, and plasma treatment.

Headquartered in Dongguan, China, with a branch in Shanghai and a wholly-owned subsidiary in Germany, we also operate a global after-sales service network through strategic partnerships — ensuring full lifecycle support for our customers.

For our customers, we design intelligent, flexible production lines that integrate robotic systems, smart workstations, special-purpose machines, precision tooling, molds, and core components — all engineered to meet the exacting product requirements of the automotive, electronics, medical, and industrial sectors.

As we continue to scale globally, our focus remains on delivering innovative solutions that empower our clients and create long-term value for all stakeholders.


  • 29 Year

    Founded in 1996

  • 2 major

    categories of products

  • 3 Large

    Industrial development

  • 4

    Cover four continents

Ultrasonic application
News