Hefei Silwall Building Material Co., Ltd. was founded in 2002, Special in the production of system of zeolite molecular sieve for insulating glass, and more than 20 sole agency in different countries.
Hefei Silwall Building Material Co., Ltd. was founded in 2002, Special in the production of system of zeolite molecular sieve for insulating glass, and more than 20 sole agency in different countries. http://www.silwall.com
