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TONG YI MACHINERY INC.
CNC Surface Grinding Machine, Rotary Surface Grinder, Column Moving Surface Grinder

PIONEER YI ENTERPRISE CO., LTD.(CHAU YIH SHIN CO., LTD.)
CNC Gun Drilling Machines, Drill Head, Guide Bushing, Plastic Guide Bushing, Rubber Guide Bushing, Bearing

EVERISING MACHINE CO.
Pivot Type Fully Automatic Band Saws, Double Post Type Fully Automatic Band Saw, Semi-Automatic Billet Saws,Vertical Block/Plate Band Saw Machine, High Speed Cutting Series for Carbide Tip Blades, Automatic Carbide Circular Sawing Machine

NEWTECH SCIENTIFIC TECHNOLOGY CORP.
Precision surface treatment、Silver plating of electronic components in international factories、Tin plating of semiconductor products、Passivation of stainless steel for medical surface treatment、Medical surface treatment titanium hair color、Chemical nickel treatment of metal parts