+86-18069800670

Hangzhou LongMan Materials Co.,Ltd.
Tel: +86-571-86722836
Fax: +86-571-89923666
E-mail: sales@chemlongman.com
Web: www.chemlongman.com

Hangzhou Reward Technology Co.,ltd
Tel: +86-571-86722612
Fax: +86-571-89923666
E-mail: sales@chemreward.com
Web: www.chemreward.com