Coca-Cola filling capping

This is John from Hong Guan Machinery Co., LTD. Now I am writing for you to seek the opportunity to establish the business relations with your company.
Hong Guan machinery Co.,ltd is a profesional package machinery manufaturer with many years experiences integrating scientific reasarch ,designing, service and manufacturing with its products be widely applicable for beverage ,alchol,grease,pharmacy,medcine,cosmetic,agro-chemical , daily chemical products industries,etc.
www.asiapacker.com
e.mail:[e-mail]

[@sweetnawesome23]

Hi, could you tell me what the filling tubes/pipes are made of please?

[@jakojaku4856]

Love Ittt...