Huzhou Changsheng Chemical Co., Ltd

Shenzhen Changlong Technology Co., Ltd. is an enterprising technology-based private enterprise established in 2003. It has been committed to the research and development of environmental protection technology and technical services, serving customers

'Swiss technology from the heart of Valais' – DePoly SA was developed and founded in 2020 with a goal to create a cleaner world for future generations. Our ambitious and dedicated team is made up of people looking to change the world, and le...