Gold Member Since 2017

HY Machinery Co., Ltd.

Sand Casting, Control Valve, Log Splitter Valve manufacturer / supplier in China, offering 5 levers Sequence valve Hydraulic directional control valve, Directional Control Valve Set Hydraulic Cartridge Valve for Excavator Loader, Box-packed Monoblock 1 Spool Control Hydraulic Valve Parts Manufacturer Component and so on.

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2. Use endoscope to check inner holes

Category: Product Introduction
Tags: Endoscope,Check inner holes

The inner holes of each casting should be checked by endoscope, to make sure the inside is good enough, no pore, no crake, then pass into next production step.