
Wuxi Wanli Industry Develop Co. Ltd.Jiangsu Sheng, China

Matth. Hohner GmbH

Jiangsu Hangtian Pipe Industry Technology Co.,Ltd.Jiangsu Sheng, China

Beijing Sublime Nanotechnology Co., Ltd.Beijing Shi, China

Yuanling County Xianghua Electronic Technology Co., Ltd.

Robert O. Carr,

Huangshan Xiangrong New Material Co., Ltd.Anhui Sheng, China

Tianjin Leifeng Industrial Co., Ltd.Tianjin Shi, China

Keeler Brass Co.Michigan, United States

Falquon GmbHBrandenburg, Germany

Forme Industriali Spa

Liaoning Academy of Microbiology