The coffee valve allows carbon dioxide to escape from the inside of the bag without allowing external oxygen into the sealed bag.
Contact
Address
Unit 3, No.1, West Side of Jielong Street, Jiyue Industrial Zone, Leliu Port, Xinming Village, Leliu Town, Shunde District, Foshan City, Guangdong, P.R. China
E-mail
sales@wojinvalve.com
Phone
0086 138 2555 9141
