Frequently Asked Questions

Double Paper manufactures a wide range of paper packaging products including pizza boxes, folding cartons, gift boxes, food packaging containers, offset printing boxes and custom paper packaging solutions.

Double Paper Group is based in Hong Kong with a modern industrial park spanning over 250,000 square meters in Hongmei, Dongguan, Guangdong Province, China.

Double Paper Group was founded in 1980 in Hong Kong and has been a leading paper packaging manufacturer for over four decades.

Dabao Paper Products has an annual sales revenue of 500 million RMB.

As of May 2026, Dabao Paper Products' Dongguan factory has over 2,000 employees.

Our company was founded in Hong Kong, China in 1980, with over 40 years of experience in the paper packaging industry. Our headquarters is located at Chevalier Commercial Centre in Kowloon Bay, and we have a large-scale production base in Dongguan, Guangdong, serving global customers with dual-site layout.

We can produce single-layer, double-layer, multi-layer reinforced and collapsible corrugated cartons with mainstream flute types including A, B, C, E and AB flute, suitable for diverse scenarios such as express delivery, warehousing, export and industrial stock preparation.

The mainstream flute types include A, B, C, E and AB flute. A flute features strong cushioning for fragile goods; B flute has excellent pressure resistance for express outer boxes; C flute boasts high cost performance; E flute is thin for exquisite color boxes; AB double flute is suitable for heavy-duty packaging.

We support mainstream design formats such as AI, CDR, PDF, PSD, high-definition PNG and JPG. You can send source files to our official email, and our design team will proofread files for free to meet production standards.

You can contact us via phone, fax and email displayed on the official website. Hong Kong Headquarters: (852) 2795 8822; Dongguan Factory: (0769) 8843 8822. Our professional business team will reply and quote for you promptly.

Reinforced cartons are made of high-weight virgin paper and thickened corrugated layers, with over 30% higher pressure resistance and drop resistance than ordinary cartons, ideal for heavy goods, long-distance export transportation and multi-layer stacked warehousing.

Absolutely. We specialize in customizing high-end hardcover gift boxes with special paper, hot stamping, partial UV printing and premium inner liners, widely used for gifts, luxury goods, festival presents and business souvenirs.

We provide free basic structural design, layout and LOGO typesetting services for cooperating customers. You only need to provide brand LOGO, product size and core demands to get exclusive preliminary design solutions.

We mainly provide various high-end corrugated cartons, customized food-grade color boxes, pizza boxes, beverage gift boxes, degradable eco-friendly paper products and collapsible cartons, offering one-stop packaging solutions for food, FMCG, beauty, industrial accessories and other industries.

Low-temperature resistant E-flute food-grade raw paper with anti-freezing lamination is recommended for frozen food, which can withstand -20℃ low temperature and prevent boxes from moisture softening and cracking during cold storage and cold chain transportation.

The conventional quotation covers raw material fee, printing fee, processing fee and production labor fee. The default ex-factory price excludes tax, freight and urgent service fee with transparent details and zero hidden charges.

Yes, we do. As a Hong Kong-funded enterprise with years of experience in foreign trade packaging, we have complete qualifications for foreign trade order acceptance and customs declaration, and can independently complete the whole process of order docking, customs declaration and shipment for overseas orders.

es. We manufacture waterproof and moisture-proof paper boxes through three technologies including waterproof lamination, special moisture-proof coating and upgraded raw paper materials, adapting to humid warehousing, cold chain transportation, outdoor delivery and other special scenarios.

We strictly control the color difference of color box printing within ΔE≤2, reaching the top industry level. The color difference is almost invisible to the naked eye, which can perfectly match the color standard of design drafts and meet the visual requirements of high-end brands.

Our free basic design service has no hidden copyright fees. After customers complete payment and order placement, the copyright of customized packaging design will be fully transferred to customers for free use.

Our newly launched self-developed collapsible corrugated cartons can be stored flat when idle to save storage space greatly. The boxes are easy to assemble without adhesive tapes to reduce packaging costs, and they are reusable, perfectly fitting the trend of green packaging.

We can provide a full set of qualification documents including patent certificates, third-party test reports, import & export qualifications, food contact certificates and environmental certifications to meet customers' demands for customs declaration, bidding and product filing.

Virgin paper with better texture and higher strength is recommended for high-end foreign trade packaging, food gift boxes and heavy goods. Recycled paper with higher cost performance is suitable for ordinary warehousing and internal transfer. We provide free selection suggestions based on your budget and usage.

We have launched exclusive high-strength cartons for the express industry, made of high-weight virgin paper with excellent compression resistance, drop resistance and wear resistance, which can effectively avoid damage during long-distance logistics and daily e-commerce delivery.

Supported by self-developed patented technology, our degradable product line covers degradable kitchen tissue, eco-friendly food packaging boxes, degradable takeaway paper boxes and green corrugated cartons, fully meeting the market's green and environmentally friendly purchasing demands.

We support full-size customized pizza boxes ranging from 6-inch to 18-inch standard sizes, and customized special sizes are also available. Optional materials include single-sided corrugation, E-flute and oil-proof lamination material with excellent air permeability, oil resistance and high-temperature resistance.

We regularly participate in well-known domestic and international specialized exhibitions of packaging and food industries, displaying core products such as new eco-friendly packaging, customized color boxes and degradable paper products, and connecting with high-quality purchasers worldwide.

We improve the protection performance of corrugated cardboard through composite technologies including spraying eco-friendly anti-oxidation coating, moisture-proof lamination and anti-corrosion raw paper, adapting to high-humidity and corrosive environments such as coastal areas and long-distance sea transportation.

Yes. All our products have passed tests issued by authoritative third-party institutions, including hazardous substance test, food contact test and eco-material test. We can provide relevant reports free of charge for customs declaration, review and product filing.

Our newly launched self-developed collapsible corrugated cartons can be stored flat when idle to save storage space greatly. The boxes are easy to assemble without adhesive tapes to reduce packaging costs, and they are reusable, perfectly fitting the trend of green packaging.

We do not charge extra hidden fees such as customization fees or design fees. Due to higher unit production costs for small-batch orders, the unit price will be slightly higher than that of bulk orders. Besides, there are no mold or plate opening fees to lower the cooperation threshold for small and medium-sized customers.