information to be updated

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 Disposable Hinged Containers Manufacturers and Printed Hinged Containers Suppliers, 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.






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View MoreChangya New Material Technology Co., Ltd. is a China-based Hinged Containers manufacturer producing one-piece clamshell food packs in PP, PET, MFPP and PLA. Since 2013 we have supplied disposable foodservice packaging from our Ningbo headquarters and Vietnam production base to takeaway, deli, catering and retail programmes across Europe, North America and Australia.
Hinged containers are formed as a single piece: base, lid and living hinge are moulded together so the pack closes without a separate lid. Our range covers clear and coloured formats for cold and ambient foods, plus printed versions for branded takeaway programmes. The hinge is the functional centre of the product — it must survive repeated opening, resist cracking at low temperature and keep the lid aligned with the base rim.
We produce these packs in the materials most used by foodservice operators, and we match material to the food, the service temperature and the end-of-life requirement stated in the project brief.
Rigid, grease-resistant and suitable for hot and cold foods. The default choice for takeaway meals, rice dishes and deli portions.
High clarity for salad, fruit, sushi and chilled display. Best where product visibility drives the sale.
Mineral-filled PP for stiffer walls and reduced material weight in high-volume takeaway formats.
Plant-based polylactic acid for cold and ambient foods where a compostable material is specified.
One-piece clamshells suit operations where speed of packing and leak control matter more than a separate lid. They close in one movement, stack when filled and nest when empty, which keeps storage and dispatch efficient.
For programmes that also need straws, cutlery or cups, we supply the wider disposable tableware range from the same group, which simplifies consolidation and documentation across a menu.
Material selection drives temperature tolerance, clarity, grease resistance and end-of-life claims. We confirm the intended service temperature and food type before recommending a grade, because a pack that performs at 5 °C in a chilled display behaves differently when filled with hot sauce.
| Material | Clarity | Typical Food Fit | Notes |
|---|---|---|---|
| PP | Translucent to opaque | Hot and cold meals, rice, pasta | Good grease resistance; rigid hinge |
| PET | High clarity | Salad, fruit, sushi, chilled display | Best visual presentation; cold use |
| MFPP | Opaque | High-volume takeaway | Stiffer wall, lighter pack weight |
| PLA | Clear to semi-clear | Cold and ambient foods | Plant-based; heat limits apply |
Leak resistance in a hinged pack comes from the closure geometry, not from the material alone. We design the hinge line, rim profile and lid engagement together so the pack stays closed under transport vibration and does not weep at the corners.
We configure each hinged container programme around the portion, the menu and the packing line. Available options include base dimensions and depth, single or multi-compartment layouts, lid style, colour masterbatch and surface printing.
Printing is where our range supports brand programmes: up to multi-colour flexo or offset decoration on the lid and base, with artwork positioned to avoid the hinge and seal areas. We confirm print colours against an approved proof before production, and we keep the approved sample as the reference for acceptance.
Our Ningbo and Vietnam sites operate under food-safety management systems audited to ISO 22000, HACCP and BRC, with GMP and NSF certification and FDA and LFGB food-contact testing. We are also a BSCI and Sedex member. These systems govern incoming resin checks, in-process inspection and finished-goods release.
For each hinged container order we can supply the material declaration, food-contact test reports and certificate copies relevant to the destination market. Where a customer needs a specific migration or heavy-metal test, we arrange it against the agreed specification before shipment.
A workable hinged container proposal depends on a small set of project inputs. We use the following to select material, wall thickness, tooling and packing format.
| Project Input | What It Determines |
|---|---|
| Food type and service temperature | Material grade, heat tolerance, grease resistance |
| Portion size and fill weight | Base dimensions, depth, wall thickness |
| Clarity or colour requirement | Resin choice, masterbatch, print base |
| Print artwork and colours | Decoration method, plate count, proof approval |
| Packing and case count | Carton size, pallet pattern, shipping volume |
| Destination market and compliance | Test reports, labelling, documentation set |
| Annual volume and call-off pattern | Tooling plan, production scheduling, stock policy |
Hinged containers are usually part of a wider foodservice packaging list. We supply the matching items from the same production group, so a single programme can cover the full meal service.
PP is the standard choice for hot rice, pasta and curry because it holds rigidity and resists grease at serving temperature. PLA is better suited to cold and ambient foods, where its plant-based origin is the deciding factor.
Yes. We print lids and bases in multiple colours and position artwork to avoid the hinge and seal areas. A proof is approved before production, and the approved sample becomes the acceptance reference.
Leak control comes from the closure geometry: a reinforced hinge line, a snap-fit lid, a ribbed perimeter and a raised base edge. We match these features to the food's viscosity and the transport conditions.
We provide material declarations, food-contact test reports and certificate copies relevant to the destination market. Additional migration or heavy-metal testing can be arranged against the agreed specification.
Our products are sold mainly in the international market, with the majority exported to Europe, the United States and Australia. We confirm destination-specific requirements during configuration.