Shanghai Yayi Machinery Ltd. Product List 16g Used Caterpillar Motor Grader 160g Construction Equipment for Sale Chaper 140h Shanghai China Motor Grader 14h Used Caterpillar Grader for Sale 14G Used Motor Grader Caterpillar 140g for Africa Hire USA 140h Shanghai China Motor Grader Used Caterpillar 12g Used Caterpillar Motor Grader 120g 12g Motor Grader Caterpillar G12 in Belgium