... .OEM orders are welcome 4.Competitive price Specification :1.Three-way insulator bushing, wall sleeving, it is applied to cable branch ... passed the ISO9001:20006.Round joint sleeve, wall bushing, european two-way insulatorNormal Operation Environment Condition : 1.Altitude can’t exceed 1000m ... is no any dust,smoke,pollution of corrosive or flammable air,vapor and salt fog. 5.There is no any frequent ...