... price Non Standard High Precision Casting and Forging PartsGoodwill Precision Machinery (Dongguan) Co.,Ltd is a professional factory which ... parts, assembly service.2.Various Machining Materials:stainless steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or ... will be responsible by us. 5. Advantages:Non-standard/standard/OEM/ODM/customized service providedhigh precision, tolerance can ...