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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

SHIN LEE TAI ENTERPRISE CO., LTD.
Casting, processing and trading of iron, copper, aluminum, tin, zinc and other metals.　Casting, processing and trading of mechanical parts.

ROYAL PRECISION TOOLS CORPORATION
Belt spindle, Directed-drive spindle, Built-in spindle, Turning spindle

POSA MACHINERY CO., LTD.
Spindle