​Stricter rules on selling stocks

The Chinese securities watchdog has published stricter rules on selling stocksof major shareholders as such activity triggered market volatility and stoked concerns of retail investors. The new policy, announced last Saturday, strengthens regulations on stock reductions through block tradin

Tanker user manual and installation method

User operation 1. To ensure the tank truck is clean, the tank and oil system should be cleaned periodically. The inner and outer joints at both ends of the oil hose should be coated with lubricating oil. The tank truck can be easily disassembled and install

New technology for mercury recovery

The present invention relates to a method of recovering waste mercury comprising the steps of: 1. Pour the degreasing cleaning liquid into a container containing waste mercury, and the volume ratio of the oil cleaning liquid to the waste mercury is 2:3, stir, and pour out the cleaning liquid; 2,

Pre-selection process for ferrous metal iron ore

With the increase in the amount of lean ore mining and the need to strengthen mining and increase the recovery rate of mining, the problem of depletion of ore caused by the surrounding rock and stone mixed in the ore is becoming more and more prominent. To reduce the processing plant capital invest

Tailings pond

Under normal circumstances, more dams are built between the valleys or around the depressions, and the gold ore tailings are discharged into the deposits for sedimentation. This dam is called a tailings dam. The tailings pond is composed of drainage facilities, tailings dam and tailings. The draina