Frequently Asked Questions
What packaging products does Double Paper manufacture? +
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.
Where is Double Paper manufacturing facility located? +
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.
How long has Double Paper been in business? +
Double Paper Group was founded in 1980 in Hong Kong and has been a leading paper packaging manufacturer for over four decades.
What is the annual sales revenue of Dabao Paper Products? +
Dabao Paper Products has an annual sales revenue of 500 million RMB.
How many employees does Dabao Paper Products' Dongguan factory have? +
As of May 2026, Dabao Paper Products' Dongguan factory has over 2,000 employees.
When was your company founded and where is your headquarters located? +
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.
What types of corrugated cartons can you produce? +
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.
What are the common corrugation types and their respective uses? +
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.
What formats of design source files are supported for customized 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.
How to contact your Hong Kong headquarters and Dongguan factory? +
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.
What is the difference between ordinary cartons and reinforced cartons? +
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.
Can you customize high-end hardcover gift packaging boxes? +
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.
Can you provide free packaging design if I don't have design drafts? +
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.
What packaging products are included in your main business? +
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.
What special material should be used for frozen food packaging? +
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.
What charging items are included in the customized packaging quotation? +
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.
Does your company have independent foreign trade order qualification? +
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.
Can you produce moisture-proof and waterproof paper packaging boxes? +
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.
What is the color difference control range for customized color boxes? +
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.
Will additional copyright fees be charged for customized design? +
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.
What are the usage advantages of collapsible corrugated cartons? +
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.
Can you provide a full set of packaging qualification certificates? +
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.
How to choose between virgin paper and recycled paper packaging? +
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.
Do you provide high-strength compression-resistant cartons for express delivery? +
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.
What categories do your degradable products cover? +
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.
What sizes and materials are available for customized pizza boxes? +
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.
Does your company participate in domestic and international packaging exhibitions? +
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.
How to make corrugated cardboard anti-corrosion and anti-oxidation? +
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.
Can you provide third-party compliance test reports for products? +
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.
What are the usage advantages of collapsible corrugated cartons? +
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.
Will extra customization service fees be charged for small-batch orders? +
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.
Besides printing, what other deep processing technologies are supported? +
In addition to basic printing, we support a full range of deep processing crafts including lamination, hot stamping, embossing, partial UV printing, die-cutting, box gluing, punching and window opening to create high-texture customized packaging.
How long does the sampling cycle take? +
Simple flat samples can be delivered within 1 to 2 working days. Precise samples with multi-craft printing and special structures take 3 to 5 working days, and urgent processing is available on request.
How many production and operation bases does your company have? +
At present, we have two core operation bases, including the Hong Kong business headquarters and a modern professional production base in Dongguan. Relying on the geographical advantages of the Greater Bay Area, we efficiently accept various packaging orders at home and overseas.
What is the minimum order quantity for each customized product? +
Blank in-stock cartons have no MOQ limits. The MOQ of printed cartons is 500 pieces, and the MOQ of exquisite color boxes and special-shaped gift boxes is 1000 pieces. Tiered discounts are available for bulk orders.
How to contact your Hong Kong headquarters and Dongguan factory? +
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.
What well-known brands have you served? +
We have established long-term strategic cooperation with many well-known domestic and foreign brands for many years, including Wahaha, Kirin Beer, 1664, Lelch and other leading brands in FMCG, beverage and maternal & infant industries, with rich practical experience and market-recognized quality.
Do you allow domestic and overseas customers to visit the factory on-site? +
We warmly welcome new and existing domestic and overseas customers to make appointments to visit our Hong Kong headquarters and Dongguan production base. You can directly know about our production equipment, R&D technology and quality control system to deepen bilateral cooperation.
What are your core advantages compared with other packaging manufacturers? +
With over 40 years of industry accumulation, we own dual advantages of Hong Kong business service and large-scale Dongguan production base. We have self-developed patented degradable packaging technology, strict food-grade quality control, higher cost performance, stable delivery time and all-round one-stop customized services.
What is your company's business hour? +
We work from Monday to Friday on working days. To adapt to global time differences, our exclusive foreign trade specialists are online all day long to respond to global customers' consultation, quotation and order demands at any time.
Can you provide business license and qualification filing documents? +
Absolutely yes. We can provide cooperating customers with a full set of compliance documents free of charge, including business license, product test reports, patent certificates and import & export qualifications to fully protect your cooperative rights and interests. 14.中文:贵公司服务过哪些知名合作品牌? English:What well-known brands have you served? 回答(中文):多年来我们已与国内外多个知名品牌达成长期战略合作,涵盖娃哈哈、麒麟啤酒、1664、露安适等快消、酒水、母婴头部品牌,实战经验丰富,品质广受市场认可。 Answer(English):We have established long-term strategic cooperation with many well-known domestic and foreign brands for many years, including Wahaha, Kirin Beer, 1664, Lelch and other leading brands in FMCG, beverage and maternal & infant industries, with rich practical experience and market-recognized quality. 15.中文:贵公司未来产品研发的主要方向是什么? English:What is the main direction of your future product R&D? 回答(中文):未来我们将聚焦绿色低碳发展,深耕可降解纸质材料迭代升级、无害化瓦楞纸板生产、轻量化折叠纸箱研发,持续打造高适配、低成本、环保型的一站式包装解决方案。 Answer(English):In the future, we will focus on green and low-carbon development, devote ou
What kind of paper packaging is suitable for industrial accessories? +
AB double-layer reinforced corrugated cartons are the preferred choice for industrial accessories, which can be matched with customized partitions and buffer inner liners. For precision small parts, customized micro color boxes and moisture-proof independent packaging can prevent vibration and pressure damage during transportation.
Can you provide a full set of packaging qualification certificates? +
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.
Do you support copy production according to customers' physical samples? +
We support sample copying service. Customers can send physical samples to our Dongguan factory. Our technical team will measure sizes and analyze materials and crafts to provide free copying solutions and quotations, restoring the sample's appearance and structure perfectly.
Do you customize special packaging boxes for food? +
Yes, food packaging is our core flagship business. All food-grade boxes adopt premium raw paper and eco-friendly ink without harmful substances, perfectly suitable for bakery, cooked food, snacks, fresh food and other food packaging scenarios.
Does the food packaging paper meet food contact safety standards? +
All of our food packaging materials fully meet international food contact safety standards. The raw paper and ink are carefully selected without harmful substance precipitation, and we can provide matched compliance test reports to eliminate customers' cooperation concerns.
Do you support double-sided color printing for paper packaging boxes? +
We support multiple printing modes including double-sided full-color printing, single-sided color printing and partial color printing, suitable for high-end gift boxes, display color boxes and export premium packaging to meet diverse visual design needs.
What certifications are required for packaging exported to Europe and America? +
Packaging exported to Europe and America needs to meet ROHS, REACH and FDA food contact certifications. Our raw materials and finished products comply with the above standards, and we can provide corresponding qualification documents to help customers clear customs overseas easily.
Can I customize exclusive paper color boxes for beauty products? +
Yes. We can customize lightweight and exquisite color boxes according to beauty product sizes and brand positioning with diverse printing and post-processing crafts, which are elegant in appearance and convenient for storage and offline & online sales.
What is the degradation cycle and environmental requirement of degradable packaging? +
Our degradable packaging can be fully degraded within 2 to 3 months under composting conditions and decomposed naturally within 3 to 6 months under normal temperature, leaving no harmful residues to pollute soil and water resources.
How to control the stability of raw material quality for bulk orders? +
We have signed strategic cooperation agreements with top domestic raw paper suppliers to secure high-quality materials. Our dedicated quality inspection team conducts sampling tests for every batch of raw materials to ensure stable and consistent quality for bulk orders.
Do you sell blank unprinted universal cartons? +
We steadily supply full-spec blank unprinted universal cartons with sufficient stock and high cost performance, suitable for temporary stock preparation, simple warehousing and internal material transfer. Customers can also carry out secondary printing independently.
What is your core customer group? +
We mainly serve domestic brand owners, distributors, cross-border e-commerce sellers and foreign trade enterprises. Meanwhile, we provide cost-effective customized paper packaging solutions for purchasers from Europe, America, Southeast Asia and other regions worldwide.
Do you have standard cartons in stock for direct purchase? +
We stock various specifications of blank standard cartons with no strict MOQ limits for scattered and bulk purchases. Goods can be delivered quickly after order placement to solve customers' short-term stock preparation problems efficiently.