solar tracker rack and pinion worm gear

{"cid":"91202609","title":"SE9 High Accuracy Worm Gear Slewing Drive For PV Solar Tracker Power Energy","imgUrl":"https:\/\/img.ismap.com\/nimg\/93\/f7\/3cc2c5d6f16f362680a720bdff79-200x200-1.jpg","attrs":{"Price":"USD 100~1600\/ pc","Brand Name":"HT","Model Number":"SE9","Minimum Order Quantity":"1 piece","Delivery Time":"15~45 days","Certification":"CE, ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"2000 pcs per month","Packaging Details":"plywood box","Gear ratio":"61:1","Type":"Enclosed","Application":"Solar Energy","Driver":"DC\/AC","IP grade":"IP66","Color":"As Requested","Effciency":"40%","Backlash":"0.1 degree"}}