steel double helical gears iso 8 9

{"cid":"91212205","title":"OEM ODM High Precision Double Helical Gears ISO 8-9 Grade for Industrial Applications","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3b\/97\/1a15044505c6a9aa4f9b4c77ed46-200x200-1.jpg","attrs":{"Price":"$1000\/ Piece","Brand Name":"YIZGEAR","Model Number":"DB22082401","Minimum Order Quantity":"1 Piece","Delivery Time":"75 Days","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/P, T\/T, Western Union","Supply Ability":"100 Pieces\/Month","Packaging Details":"Plywood Crate","Material":"SAE 4340","Gear Profile Type":"Double Helical Gear","Heat Treatment":"Quenching & Tempering","Hardness":"260-300 HB","Manufacture":"Gear Hobbing","Quality Grade":"ISO 8-9"}}

{"cid":"91196990","title":"Forged Steel Mill Pinion Gears Custom ISO \/ CE","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e1\/a4\/75236367a8b79b207a14850c60a9-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ZTIC","Model Number":"Mill Pinion Gear","Minimum Order Quantity":"1 Set\/Sets","Certification":"ISO \/ CE","Place of Origin":"Henan, China","Payment Terms":"D\/A, L\/C, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"2000 Set\/Sets per Year","Packaging Details":"Simple packaging for ball mill gear","Product name":"Pinion gear\/ small gear","Material":"custom","Diameter(mm)":"custom","Weight(kg)":"according to drawings","Application":"Various types of mills","Processing method-1":"Forged ring,Rolled plate,Cast steel","Ports":"QingDao,ShangHai,TianJian","Warranty":"12 months"}}