Company offers installation from water to wire, the charge for the installation would be calculated in the following formula.
　　
　　Installation fee=the transportation fee from the company to the site abroad+USD100 per day for each technician.
　　
　　The glitches emerging from the ordinary operation would be fixed by means of either providing the training service to the staffs, or instructing them through the web camera.
　　
　　As for those faults which the staff is unable to fix, Company would assign the technicians to the site. If the warranty expires,
　　
　　The proprietary of the plant would have to bear all the costs including the material, spare parts for the replaced parts ,  the transportation cost of the substitutes and the technicians, and a daily salary for each technicians(USD100 per day).