Our company Hunan Jingwangdian Technic & Trade Company founded in 2007, Our factory Changsha Duote New Materials Co., Ltd founded in 2003, They are national high-tech enterprises with independent intellectual property rights. In 2008, the company obtained......

Shandong Huazhe Environmental Protection Technology Co., Ltd., established in March 2015, is a comprehensive filtration solutions provider specialising in the research, development, production, manufacturing, and sales of liquid-solid and gas-solid ......

... market by accumulation of technology and developing new concept medical devices. We promise to be a company who create new market and lead the change and innovation by technology development. Thank you very much for visiting our web-page once again. ...