*Dongguan Jamon Chemical Co., Ltd.

Address: No. 5406, ITC Vanke center, 1 Changqing South Road, Changan Town, Dongguan
Telephone (landline): 0769-8275 0082
Mobile: 180-0288-2950 
Fax: 0769-8275 0087
Website: Http://impermanentsociety.com
Email: weinayu@impermanentsociety.com (Sales Department)
Email: jyd@impermanentsociety.com (Technical Service Department)
 
*wuhan office

Address:A1 tower, Wanda Plaza, Tangjia lake, Jianghan District, Wuhan
Phone: 138-2367-9974
 
*Chongqing Office

Address: 5 Asia Pacific quotient Valley, South Bank district, Chongqing
Phone：137-9883-5239   
 
*Suzhou branch (Suzhou Jian Dao Electronics Co., Ltd.)

Address: Room 829, building B, city life Plaza, 251 pinglong Road, Suzhou, China
Phone：86-512-6916-5455
Fax：86-512-6916-5355
 
*JYD international trading co.,ltd

Address: 18 floor, Dongxin commercial center, 194-200 Rock Road, Wan Chai, Hongkong
Phone：852-3460-4431