China small diamond or gold mining dredging machine for sale from hill or river bank

1.1 For sales-service:

a. experienced and skilled engineers will be in the working place for dredging equipment installation and testing for working normally;

b. Will training and teaching workers for operation and gold collection;

c. Daily operation maintaining;

d. Water supply when the equipment is working;

e. Working time for the equipment can be day and night. 

Company profile for gold mining and dredging machinery: 

a. Expert for equipment design according to working place;

b. Crude mineral testing in factory lab;

c. Long-time cooperation with famouse gold institute;

d. Dredging equipment working video for Customers from different countries;

e. Dredging equipment can be tested in factory before shipment;

f. Spares are available at any time;

g. Free serivce all the life;

h. After-sale service is available 7x24 hours;

i. Factory audit is surporting;

j. Contact us for cooperation in the long run.

5. NEW Gold mining equipment in stock, deliver time 10-30 days after order confirmed 

    Contrifugal machine is available of 5 days after order confirmed

Before we produce the gold dredger, we need know following conditions in your river:

a. F: Working area of gold dredger inland river or Coastal area or Dry land with water source

    A: Gold mining equipment will be designed according to different working places.

b. F: The water depth from water surface to sand if working in water?

     A: Dredging equipment is available for gold mining from lake, river, sea as: 

          1. Bucket chain dredger( Stone percentage is more than 30%);

          2. Cutter suction dredger(Stone percentage is less than 20%);

          3. Jet suction dredger(Stone percentage is less than 10% for fine sand)

c.  F: Sand or mud thickness in river or in hill 

     A:  Sand thickness+water thickness=Dredging depth in water

           Mud thickness+stone thickness=Gold dredging thickness

d. Degree of the sand or mud soft or hard, may be better for pictures and crude ore. 

e.  F:  Clay content? 

      A: Screener is available for clay washing and cleaning the sand 

f. Stone diameter is required between 1cm to 3cm, and it is better to offer the percentage.

g. Stone percentage of diameter 30cm

h. Coarse particle gold or fine particle gold

i. Working capacity per hour

j. Use network electricity or generator