主营：灌封胶; 密封胶; 电子灌封胶; 电源白胶; 704电源胶; 电子灌封胶; 封堵料; 高分子防潮封堵剂; 防凝露封堵料; 防水堵料; 防火堵料; 防霉变堵料; 阻燃封堵剂; 电气柜堵料; 三防堵料;