Operation process of drainage board manufacturer:1, the board, after driving machine in place by the vibration hammer casing on the socket sinking, drain through the casing are connected to the end of the anchor boots, casing resisting anchor boots will drain into the design capacity, pull up after

Garage drainage board product performance:1. The drainage board adopts innovative technology, and the finished product itself is equipped with lap buckle buckle belt, that is, the mechanical joint of pull-chain type, so that the lap joint is smooth and sealed, easy to operate, and the technical requ

Drainage board manufacturers teach you how to identify:1. First look at the surface finish, and whiteness.2. Take the sample to beat, easy to break the general.3. Take the sample and step on the edge of the pipe to see whether it can crack or the elongation at break after cracking.4. Each batch of p

Green Cuicui tree Changchun, one year people often red, deeply bless you: good life such as evergreen trees, like saffron Chang Yan, always in youth, often smiling happy youth day!Youth, a life only once, although the youth have rebellion, impetuous, and also have mistakes, but more youth is

Beneath the neighborhood's blithely prosperous facade, however, there is a darker underbelly. Sharp practices continue to flourish, with traditional extortion and protection rackets still in business. Non-union sweatshops - their assembly lines grinding from early morning to late into the ev

On the surface, Chinatown is prosperous - a "model slum," some have called it - with the lowest crime rate, highest employment and least juvenile delinquency of any city district. Walk through its crowded streets at any time of day, and every shop is doing a brisk and businesslike trad