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专业制造：炼油石化、炼钢、发电厂锅炉及热交换器之高温、高压专业金属垫圈
高壓法蘭配管/旋夾墊圈, 高壓熱交換器墊圈, 換熱器金屬包覆墊圈, 金屬平面鋸齒型墊圈, 金屬墊圈機械, 高壓金屬墊圈, 高溫金屬墊圈, 包覆鋸齒墊圈機, 波紋刺針墊圈機, 金屬旋夾墊圈