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密封胶和粘合剂是机械产品防治三漏必不可少的材料。大连第二橡胶厂生产长城牌密封胶和粘合剂已有十多年的历史,产品销售全国各地,深受用户欢迎。
Sealants and adhesives are three essential materials for mechanical products to prevent leakage. Dalian Second Rubber Factory production Great Wall brand sealants and adhesives have more than 10 years of history, product sales throughout the country, welcomed by users.