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Shanghai Sunward Industrial CO. LTD. is the manufacturer and trader of Single Wound Polyolefin Shrink Film in China,Website:http://www.sh-sunwardpack.com, specialized in research, development and production of POF
shrink film.IntroductionThe two primary pof shrink film can be either crosslinked, or non crosslinked. The standard pof film is non-crosslinked also the most commercial
one. The single wound type is the basic use of shrink wrap film. The usage of the single layer film is can be dete