- Description: Hangzhou Lucky Stars Imp. & Exp. Co., Ltd. is a leading company specialized in dealing with insulating products for transformers. Such as Diamond Dot Papers, crepe insulating paper, insulating paper impregnated with phenol resin, pressboard, paper insulated copper wire etc.. Our featured products is Diamond Dot Paper (DDP) or Varnished Paper which is the patent of Professor Wei Tongsheng. The quality is so good that it has been proving by all the users since the year of 1986. We can supply you different thickness and width. Also different size could be custom made upon request.
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