YIHUI has already been verified through ISO9001:2016 International Quality Management System and CE certificate. Under only high-quality products can win customers’ praise philosophy, always put the good quality in the first point. The bolt application mainly was for machinery, construction, petroleum and industry and so on. Exported to America, Australia, Brazil, Canada, Russia markets, etc.
Bolt inspection can be through China National Centre for Quality Supervision and Test standard parts according to customers’ requirements. And can issue an official test report for all foreign customers.
Socket cap screws, Countersunk carriage Bolt, Round head bolt, Hex flange screws, Square head bolt, Non-standard Bolt, Track bolt, Machine screw, Hex slotted Bolt, Hex cap screws, Carriage bolt