Nrog rau peb cov kev sib ntsib thiab cov kev pabcuam zoo siab, tam sim no peb tau lees paub tias yog tus neeg muag khoom ntseeg siab rau ntau tus neeg siv khoom thoob ntiaj teb rau Bellows Style Expansion Joint,Flue Duct Expansion Joints, Tsis yog Hlau Expansion Joint, Rubber Expansion Coupling,Exhaust Bellows.Peb tsis tsuas yog xa cov khoom zoo rau peb cov neeg siv khoom xwb, tab sis qhov tseem ceeb tshaj yog peb cov kev pabcuam zoo tshaj plaws nrog rau cov nqi sib tw.Cov khoom yuav muab rau thoob plaws lub ntiaj teb no, xws li cov teb chaws Europe, America, Australia, US, Netherlands, Sweden, Munich. mus rau txoj kev loj hlob ntxiv raws li ib txwm.Peb ntseeg tias koj yuav tau txais txiaj ntsig los ntawm peb cov kws tshaj lij sai sai.