Project length is 6.5 kilometers, the diameter is 300 soil is dry, with cathodic protection project for the first time, need to design and supply of material factory, then choose ladbrokes anticorrosive material is really true, after-sales service is really good, we daqing continuous rain more than 20 days, out of flash powder, looking for ladbrokes manufacturer, they said I help you deal with now, I used a batch of thermite flux to make an experiment and make a video. Later, I found out the reason. It was because it rained for a long time, I put these things on the ground and got wet and dried in the sun.