Headquartered in High-tech development zone of Jingdezhen, Jiangxi Province, Jingdezhen Wanqun Industrial Co., Ltd. Is a beautiful city with pleasant climate and convenient in traffic. It was established in Taizhou City, Zhejiang Province in 1990's and has moved to Jingdezhen since 2008. We are the professional manufacturer of automatic slack adjusters and quick plug valves in automatic brake system. It engaged in the research, development, production and sales. We have built a research and development team which is consist of members of senior engineers. We have excellent processing centers with advanced and sophisticated equipment. Wanqun has been supplying brake parts to the medium and heavy-duty truck and trailer industry. Our products are used in a wide range of branded cars, including BPW. MAN, DAF, Scania, Volvo.