Huangshan Sigma Advanced Materials Technology Co., Ltd.
Address: Zhiye Building, Huizhou District,Huangshan City, Anhui Province
Contact: Manager Li   +86-18663889535
E-mail: ldm@cnskm.com
Contact: Manager Jin  +86-18663889535
E-mail: jx@cnskm.com
Url: www.cnskm.com