http://www.threewaysteel.com/newsshow/How-is-the-market-growth-rate-of-steel-pipe.html

You are right that it would be a horrible thing once you find that your kitchen’s pipe was blocked. This time, we would count on the plumber who would give us for us with their scaffolding accessories. For example, the plumber adopted drop forged joint pin for unclogging circulation channels this time. It was a nice tool for us. This kind of tool’s surface treatment is Self-color, Zinc plated, Hot dip galvanized. Under this situation, it is very useful once they were used on the blocked pipes. Of course, with the weight about 0.95-1.05kg, it is easy for carrying. Of course, there are lots of tools for plumbers once they need a high frequency to solve the problem.