We help the Siheung City of south korea to set up a new grass irrigating program for the local government,in order to bring the local school the newest and best quality natrual grass to instead of the plastic palygroud,the local government importing the best quality grass seed from German directly and also invite us to supply the professional irrigation program for this land,we help them to installation a four wheel narrow linear move irrigation machine,and using the second hand chemical waste water to become new water source to supply for the linear move irrigation machine,and this machine is popular locally and many city also visit to check the irrigating effection for this program,after installation we also bring our engineer to check this program in the next year.