Electrical Discharge Machining
Electrical discharge machine is specifically for generating granulated background on molds/dies, especially for sandy backgrounds. Machine made sandy backgrounds are more even than handmade patterns and there is no extra fee if customers ask for various background patterns on molds. Electrical discharge machine cannot generate texture background or pebbled patterns, these irregular background patterns are usually handmade instead.
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Jin Sheu is a world-renowned manufacturer of the highest quality hand-made enamel pins. The discharge machining process ensures that each pin is of the highest quality. The discharge machining process creates different textures on the surface of the pins, making each one truly one-of-a-kind. With a variety of textures to choose from, you're sure to find the perfect match for your personal style.