久久人添人人爽人人爽人人片aV|欧美成人在线视频观看|欧美一级黄色一区二区视频真人|欧美13一14周岁高清av|

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.