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SHANGHAI DONGLONG PLAISTICS CO.LTD is a professional manufacturer of PVC,PET, PP, PS vacuum box covers and plastic cylinder for toys, electronics, hardware, food, stationery, jewelry, instruments, gifts, etc .It has been twenty years since we brought into production in shanghai. Now we have got ISO 9002 and National Quality System certificate. We own seven advanced automatic high-speed vacuum machines, 2 automatic fold machines, 8 film punches and related facilities. We also own a production line of auto...
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