Kung Long Hong is a professional manufacturer of custom packaging bags. We supplies custom packaging solutions for more than 20 years. We produce doy pack bags, stand up coffee bag with degassing....

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* * * * * * * * * * * * * * * * * * * * * * * * * .... a plastic injection mold manufacturer located in Taiwan and a injection mold supplier passing the ISO 9001 TUV. Our mission is to provide our....