












core components
Gear
material
42CrMo,40Cr, AISI4140,AISI5140
warranty
3 Months
machinery test report
Provided
video outgoing-inspection
Provided
brand name
YRJX
Every payment you make on Alibaba.com is secured with strict SSL encryption and PCI DSS data protection protocols
Claim a refund if your order doesn't ship, is missing, or arrives with product issues