Guangzhou Rosin Packaging Co., Ltd
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  • January 21, 2026
    Transparent Magic in Modern Industry - Blister Packaging
    Blister packaging is actually the "transparent magic" in modern industry. This technology of forming by heating plastic sheets and adsorbing them onto molds not only perfectly fits the product contour, but also has practical functions such as impact resistance, moisture-proof sealing, etc. More importantly, the high transparency material makes the product clear at a glance, coupled with precise pe...
  • January 12, 2026
    Application of vacuum packaging in farms
    After 20 years of deep cultivation, Rosinpack packaging empowers global farm economy revitalization with the power of vacuum forming As the global farm economy enters a new stage of large-scale and refined development, from fresh meat preservation in beef cattle breeding to standardized storage and transportation of edible fungi cultivation, from seedling protection in grassland breeding to cross-...
  • October 02, 2025
    Happy National Day and mid-autumn festival day to all our valued customers! We're also taking a short break to recharge. We'll be out of office from October 1st to 6th and back on October 7th. If you have any questions in the meantime, feel free to leave us a message. We'll get back to you as soon as we can. Best wishes to you all! During the holiday, our response to messages may be delayed. For u...
  • November 08, 2021
    Custom Made Process
    Customized process 1. Design and sample making The packaging process starts by designing the packaging format. We provide 3D drawings according to your requirement. After your confirming,we will make the sample mold. The sample mold are divided into two types: plaster mold and wooden mold. It takes 5-7 working days to finish sample making. After the sample mold is finished, we can make s...
  • July 18, 2022
    1. What is the product made of : PLA, also known as polylactic acid, is a polyester made through the fermentation under controlled conditions of a carbohydrate source like corn starch, tapioca roots, or sugarcane. Plants  → sugar →fermentation(lactic acid)→monomer production (lactide)→polymer production→PLA→polumer conversion→sheet of PLA for packaging or PLA for fibers etc.   2.&nb...
  • November 08, 2021
    PET raw material
    1. What is PET material? PET is a polymer material, the full name is polyethylene terephthalate, which is synthesized by transesterification of dimethyl terephthalate and ethylene glycol or esterification of terephthalic acid and ethylene glycol, and then the condensation reaction. This material is a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface....
  • July 27, 2022
    1. Introduction of the material:  PVC is polymerized from vinyl chloride monomer and is one of the commonly used thermoplastics. Its trade name is referred to as "Chloroplastic".  Pure polyvinyl chloride resin is a hard thermoplastic material, its decomposition temperature is very close to the plasticization temperature, and its mechanical strength is poor. Therefore, it is impossib...
  • August 04, 2022
    PP raw material
    1. What is PP material?  pp stands for polypropylene material in plastics. Polypropylene is a thermoplastic resin obtained by polymerizing propylene. The copolymer-type PP material has lower heat distortion temperature (100°C), low transparency, low gloss, and low rigidity, but has stronger impact strength. The impact strength of PP increases with the increase of ethylene content.  ...
  • September 26, 2022
    1. What is mold rapping? When the customer confirms the sample, we will use the plaster mold for proofing as the master mold. After the master mold is electroplated with copper, the mold for production is made according to a certain number and position. 2. Type of Mold Conventional molds are divided into three types: plaster molds, copper molds, and aluminum molds. Among them, the plaster mold is ...
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A total of 12 pages

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