E-mail: 13831561674@vip.163.com Tel / WhatsApp / WeChat: 86-13831561674

Ngwaahịa

Hydrogenated hydrocarbon resin-shb198 usoro

COMDROGENENT ROMDRONENENT-Shb198 usoro bụ mmiri mmiri na-eme ka resin resin enwetara site na polymetizing nke polymetizitic nke aromatic na hydrogen.

njuputa nju