Sleeve Remark: Insertion sleeve is practical for heavy-duty Castell Bridge Chongqing Kairen Machinery Manufacturing Co. Ltd. was founded in February 1999, covering an area of 33333 square meters and a factory of 12291 square meters. It currently has more than 500 employees and passed the ISO/TS 16949 certification in 2007 quality system certification audit. For consecutive years, it has been listed as a key backbone enterpise and a key economic growth oriented enterprise by Shuangqiano Chongqing.
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