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What do lock hardware fittings refer to?
Hangzhou Xinzeyuan Precision Products Co.,Ltd. was founed on May 2010, which is the son company of Lin’an Shinehe Precision Parts Co.,Ltd. Our company is located in the Chinese precision parts town L
Details 白箭头 黑箭头
Investment casting
Lost wax casting, now called investment casting, is a casting process with less or no cutting. It is an excellent process technology in the foundry industry and its application is very extensive.
Details 白箭头 黑箭头

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