Gold Member Since 2017

HY Machinery Co., Ltd.

Sand Casting, Control Valve, Log Splitter Valve manufacturer / supplier in China, offering 1 spool Rexroth proportional valve Hydraulic valve, DL15 Hydraulic Pump Control Valve Directional Double Acting for Forklift, DL20 11 Spools Hydraulic Manual Control Sectional Valve for Press 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.