Gold Member Since 2017

HY Machinery Co., Ltd.

Sand Casting, Control Valve, Log Splitter Valve manufacturer / supplier in China, offering Hydraulic valve Flow control valve Excavator joystick control safety valve, 6 Spool Hydraulic Sectional Control Valve for Road Construction Machine, DL20 4 Spool Hydraulic Control Valve Sectional Manual Relief Valve 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.