Screwed Double Sphere Flexible Rubber Expansion Joint

      DN20-DN80 Main body: Polarized rubber Lining: Nylon cord fabric Low price, good quality http://www.made-in-china.com/showroom/ninghao2014 /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1