密封科技(301020.SZ)：公司业务目前暂不涉及光刻机、半导体相关领域
Group 1 - The company, 密封科技 (301020.SZ), currently does not engage in the fields of photolithography machines or semiconductors [1]
Group 1 - The company, 密封科技 (301020.SZ), currently does not engage in the fields of photolithography machines or semiconductors [1]