[Jie Weinuo Industry strongly recommended - flange plate duct] Jie Weinuo production of semi-finished flange plate duct, angle iron flange duct, reducing transportation costs Tianjin exhaust pipe processing, on-site co-management is simple and convenient, Jie Weinuo flange plate duct unique. [Jie Weinuo Industrial Star recommendation - carbon steel plate duct] mainly refers to the mass fraction of carbon steel containing less than 2.11% and not intentionally added alloying elements. Sometimes referred to as carbon steel or carbon steel. Carbon steel, also known as carbon steel, means Wc less than 2.11% carbon content of the iron-carbon alloys. In addition to the carbon steel outer generally also contain a small amount of silicon, manganese, sulfur and phosphorus. Tianjin exhaust pipes | exhaust pipe producer, Tianjin | Tianjin galvanized duct selected by 捷维诺 捷维诺 Industries (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.tjjwnsy.com) in fan, ventilation equipment in the fields devoted boundless enthusiasm and passion, Jie Weinuo Industries has been customer-centric, for customers to create the concept of value, quality, service to win market, and sincerely hope to cooperate with the community to create success, to create brilliant. Related businesses welcome inquiries, contact: Su Wei.