humidity indicator cards,humidity indicator plugs,humidity moisture
website:http://www.pollydesiccant.com/
Established in 2002, Shanghai Hengyuan Macromolecular Materials Co., Ltd. (SHMM) is mainly engaged in R&D, manufacturing and sales of green and multi-functional adsorbing materials.
Email: [email protected]
Tel:+86-021－58531012 / 58531045
Direct line:+86-21-67897511
Fax:+86-021－58531004