Gold Member Since 2017

HY Machinery Co., Ltd.

Sand Casting, Control Valve, Log Splitter Valve manufacturer / supplier in China, offering 3 spool Directional control valve Hydraulic valve, Cast Iron Parts for Stoves ATV Parts Sand Casting Machines, Hydraulic Limit Valve Pneumatic Control 4 holes for Dump Truck 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.