
Zhejiang Wenchen Packaging Technology Co., Ltd. was established on December 24, 2004. As Cardboard Food Packaging Boxes Manufacturers in China, Corrugated Food Packaging Boxes Compnay, the company integrates R&D, manufacturing, export and domestic sales. It mainly deals in color boxes, corrugated boxes, corrugated cardboard, industrial cartons, Taobao Tmall and various e-commerce platforms postal express cartons, various specifications of customized printing and other carton products. With 15 years of carton production capacity, the company has rich product experience. The production of cardboard and carton is completed by the company, which guarantees the quality of the product from the source, focuses on automation and large-scale production, and responds quickly to customer requirements; vertical integration can bring better costs to customers.
The company covers an area of 61,111 square meters, with a plant area of 35,000 square meters, an annual output of 150 million square meters of cardboard, and a monthly output of 80 million cartons. Offer Custom Printed Corrugated Food Packaging Boxes. In 2018, the company's annual output value was 260 million yuan.
At present, the company's annual production capacity of paper containers is 300 million square meters, with a fully automatic 2500 door width high-speed cardboard production line, a fully automatic 5-color carton linkage production line, a fully automatic digital printer, 8 three-color printing machines, 2 fully automatic four-color printing machines, 3 1500 die-cutting machines, 1 1450 fully automatic die-cutting machine and other production equipment. As Custom Cardboard Food Packaging Boxes Compnay, the total investment is about 200 million, and the annual sales are about 500 million.
The company has a sound organizational structure and adheres to the principle of "people-oriented, integrity first, customer first, quality first". Friends from all walks of life are welcome to visit, guide and discuss business.
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View MoreAny box where the food touches the cardboard directly — bakery items, produce, or take-out style packaging — needs board and inks that meet food-contact material requirements, not just a clean appearance. This usually means using virgin or food-grade recycled fiber rather than general recycled stock, and confirming that any printed inks on the inside-facing surface are migration-safe. If the box only holds a sealed inner bag or container, this requirement relaxes considerably, so it's worth clarifying at the design stage whether the product touches the board or not.
| Liner Treatment | Protects Against | Typical Products |
|---|---|---|
| Grease-Resistant Coating | Oil migration into the board | Pizza, fried foods, baked goods |
| Wax or Water-Based Coating | Surface moisture, condensation | Produce, chilled or iced products |
| Uncoated Kraft | N/A — dry goods only | Dry snacks, packaged staples, sealed bags |
Fresh produce keeps releasing heat and moisture after it's packed, and a sealed box traps both — accelerating spoilage rather than preventing it. Ventilated crate-style boxes with patterned cutouts allow airflow through a stacked pallet, but the cutout pattern has to be planned around the box's stacking points so compression strength isn't lost exactly where the load is carried. This is a case where the graphic-looking vent pattern is actually a structural decision first.
Corrugated board loses a meaningful share of its compression strength as humidity rises, and cold storage or refrigerated transport is one of the most humid environments a box will see. A box that comfortably holds a pallet load at room temperature can sag under the same load after a few hours in a chiller. For anything moving through cold chain, it's worth specifying a stacking strength rating with a safety margin built in for humidity, rather than one calculated for dry warehouse conditions alone.
Food cartons often get opened, checked, and resealed multiple times between the point of packing and the shelf — during quality checks, at distribution centers, or in-store restocking. Tape-sealed flaps tend to weaken after the first reseal, while interlocking or self-locking closures hold their shape through repeated handling without needing fresh tape each time. We can build either style into the same base structure, so the choice comes down to how many times the box realistically gets reopened before reaching the end customer.