...他给了我们更大的想象空间 » He has given us more room for imagination 吊顶工程 » Ceiling construction 在河底他找到了一快漂亮的石头 » He found out one quickly beautiful rock in the bottom of river ..
Smith (NYSE:AOS), a manufacturer of water heating equipment and electric motors, Armstrong World (NYSE:AWI), a producer of flooring products and ceiling systems for use primarily in the construction and renovation of residential, commercial and institutional buildings.