... facilities◆ Bridge◆ Commercial and industrial buildings, garage, stadium◆ Aquarium, tank and similar structureWork and design principle:The first stage ... longer, please contact Beijing Lang Wei times science and technology co.,ltd.;In central parts, every 20 -- 25 cm, use ... , please contact Beijing Lang Wei times science and technology co., ltd. 1. GI acrylic resin: Water swellable 1.5 times ...