1. Cut the opening of the counter basin installation along the cutting line and review it with the actual size of the basin.

2. Copy the opening drawing on the marble countertop, and use the pen to draw the opening line on the marble countertop to be cut. Note: Leave room under the marble bench for the installation of water supply pipes, drainage parts, inlet corner valves, etc.

3. After drawing the marble opening line, drill a hole in the cutting port, and then cut the table surface along the inside of the drawing cutting line, and smooth the cutting edge.

4. Install the marble table panel.

5. Put the basin into the cutting hole of the marble countertop, correct the position, and use a pencil to draw a contour line along the outer edge of the basin on the countertop.

6. Remove the basin and install the faucet and water remover according to the requirements.

7. Spread the glass glue evenly on the countertop between the edge line of the basin and the cutting edge.

8. Install the basin on the countertop and check whether its position is accurate, then flatten the basin and wipe off the excess glass glue along the edge of the basin.

9, after the glass glue is dried, connect the inlet pipe fittings and drainage pipe fittings, when connecting the inlet fittings, the water in the pipeline should be discharged for 3 to 5 minutes to clean the pipeline and prevent the sand particles and other debris in the pipeline from blocking the corner valve and the faucet outlet.

10. Open the faucet to check whether each interface is leaking.