Paper Bags OEM/ODM

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About Us

Changya New Material Technology Co., Ltd. was founded in 2013, and the group is headquartered in Ningbo, China. It is a limited liability company integrating R&D, production and sales. As China Paper Bags Manufacturers and Paper Bags Factory, the company mainly produces paper PLA & Plastic disposable tableware, such as straw, cutlery, microwaveable box, hinged box, cup, carry out bag, plate, dinning kit, etc.

Changya New Material Technology Co., Ltd. has developed rapidly since its establishment, with a growth rate of over 30% each year, and has now become an enterprise in the field of high-quality disposable food and kitchen supplies in China. Changya products are mainly sold in the international market, and more than 90% of the products are exported to many regions such as Europe, the United States, and Australia. Changya adopts strict quality control standards for its products and has won a variety of international certifications, including BRC, GMP NSF, ISO 22000, and GMP, and it has passed LFGB, FDA, and other food safety tests. At the same time, it is a member of the international human rights organizations BSCI and Sedex. It has wide recognition and a good reputation in the international market.


  • GSV 2023 NB
  • WCA NB 2021
  • WCA Certificate NV2021
  • ISO14000 NB 2020
  • ISO 22000 EN NB
  • HACCP 2023 VN


Paper Bags

How strong and durable are paper bags, especially with heavy use?
The strength and durability of paper bags are formed under the combined influence of multiple factors, among which material selection, manufacturing processes and design concepts all play a key role. First of all, the paper material used in the paper bag directly determines its overall strength and tear resistance. High-quality and thicker paper offers better tensile properties, and its overall durability is further enhanced by its design with a multi-layer structure, similar to cardboard. This composite structure makes the paper bag stronger when withstanding tension and pressure, making it more suitable for a variety of use scenarios.
At the same time, the superiority of cutting and joining technology also directly affects the strength of paper bags. High-quality cuts and sturdy joints ensure the paper bags are less prone to cracks or breaks under heavy use. This is critical to maintaining the structural integrity and longevity of the paper bag.

In addition, the design of the handheld part of the paper bag is an important consideration for the durability of the paper bag. The use of double-layer or specially designed hand parts not only increases the overall strength, but also improves the stability of the paper bag when carried and used frequently. This design is not only more reliable in actual use, but also provides users with a better experience. The sturdiness of the portable part is not only the key for users to carry items conveniently, but also an important factor in ensuring that the paper bag is not easily damaged during use.
The water resistance and durability of paper bags depend in part on surface coatings or treatments. Some paper bags may receive additional coatings to increase their resistance to moisture, thereby maintaining their strength in humid conditions. This design can make the paper bag more adaptable to different climate and environmental conditions, improving its practicality in daily use.

User behavior also has a profound impact on the life of paper bags. Overstretching, overloading, and improper use can cause paper bags to break down more quickly. Therefore, consumers also need to follow relevant usage guidelines when using paper bags to ensure that they remain in optimal condition throughout their service life.
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