亚洲高清无码精品,久久国产精品免费一级片,国产中文字幕玖玖,农村AV网站在线播放,国产成人AV无码一区在线播,热久中文字幕在线观看,亚洲精品在线第一,动漫亚洲一区二区无码,无码啪啪熟妇人妻区

Pressure test reservation

新聞資訊

新聞資訊

High Impact Compound Mute Pipeline

2011-11-01

Through the untiring efforts of the research and development department, the research of high impact compound mute pipeline has achieved further development and significant progress. The product samples between Ф50 to Ф160 have passed the test, all the indexes reach the expected goal.
The pipe has the advantages of low weight, low price, shock resistance, and noise reduction, which could fulfill all kinds of demands of construction projects.
The product is expected to launch in early 2012.