... 3.BE WELL WITH MAZDA CX-7 4.USUALLY CAN SUPPORT 30-50 KGS ROOF RACK THIS PRODUCT BE WILL WITH ... IT IS MADE UP OF ALUMINUM ALLOY,AND IT CAN SUPPORT 30-50 KGS. JIANGSU GAOBIAO TECHNOLOGY DEVELOPMENT CO.,LTD , well ... system,and successfully passed the certification. Our production lines including: Front Bumper, Rear Bumper,Side Bars, Running boards,Roof Racks, Roof Boxes, Spare ...