About SLD Packing

A Custom Paper Packaging Manufacturer for Chocolate Brands, Gift Projects & Confectionery Businesses

SLD Packing, also known as Shenzhen Shenglongda Packaging Products Co., Ltd., is a custom paper packaging manufacturer based in Shenzhen, China. Since 2010, we have focused on helping chocolate brands, confectionery businesses, gift suppliers, retailers, and private-label projects create practical, attractive, and reliable paper-based packaging.

We manufacture custom chocolate boxes, folding boxes, gift boxes, display boxes, paper bags, labels, stickers, paper cards, sleeves, and other printed paper packaging products. Our goal is to help customers turn packaging ideas into production-ready solutions with clear communication, realistic advice, stable quality, and responsible project support.

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Exterior view of SLD Packing paper packaging factory with cartons prepared for custom chocolate packaging production

WHY CHOCOLATE BRANDS CHOOSE US

Built for the Practical Needs of Chocolate Packaging Buyers

Chocolate packaging is not only about appearance. It affects product protection, shelf appeal, gift value, customer experience, and brand recognition. We help buyers create packaging that looks good, works in real production, fits the product, controls cost, and stays consistent from sample to bulk order.

Premium Presentation

Create elegant chocolate packaging that enhances shelf appeal, gift value, and an unforgettable unboxing experience.

Custom chocolate inserts with PET trays and paperboard dividers designed to hold chocolates securely inside gift boxes

Custom Chocolate Inserts

Custom food-grade PET trays, paperboard dividers, and paper cavities keep every chocolate securely positioned while creating a clean, premium presentation.

Chocolate packaging sample printing and digital cutting process for custom box prototype approval before bulk production

Fast Sample Approval

Production samples are typically ready within 1–3 working days after the artwork and structure are confirmed, allowing you to verify every detail before mass production.

Pantone color matching check for custom chocolate packaging printing to keep brand colors consistent from sample to bulk production

Precise Color Matching

Keep every production run consistent with accurate Pantone matching, controlled printing, and reliable color management.

Equipped for Reliable Sampling and Bulk Production

SLD Packing is equipped to support custom chocolate packaging from sample development to bulk manufacturing. Our production setup includes Heidelberg offset printing machines, HP digital printing for fast samples, automatic die-cutting, paper mounting, box gluing, laminating, foil stamping, UV finishing, hand assembly lines, and strict QC inspection.

Factory worker operating an offset printing machine for custom chocolate packaging boxes and printed paper packaging production

Heidelberg printing machines

Factory worker checking print color accuracy for custom chocolate packaging boxes and printed paperboard packaging production

Printing color inspection

Automatic paper mounting machine used to bond printed sheets to paperboard for custom chocolate packaging boxes and gift box production

Paper Mounting Machine

Automatic die cutting machine used for shaping custom chocolate packaging boxes and paperboard packaging in factory production

Die Cutting Machine

Factory worker operating an automatic folder gluer machine for custom chocolate folding boxes and paperboard packaging production

Folder Gluer Machine

Factory worker operating an automatic laminating machine for custom chocolate packaging boxes and printed paperboard packaging production

Laminating Machine

UV Printing Machine

Workers assembling custom chocolate gift boxes by hand on a factory production line for premium paperboard packaging

Handmade Box Assembly Line

Workers assembling custom chocolate gift boxes on a factory production line with semi-automatic equipment for premium paperboard packaging

Handmade Box Assembly Line

What We Manufacture

We focus on paper-based chocolate packaging and related printed packaging products. Our work covers packaging structure, paper material, printing, finishing, sampling, quality inspection, packing, and delivery preparation.

Custom chocolate paper box packaging collection with folding boxes, display boxes, window boxes, sleeves, and chocolate bar packaging

Paper Box Packaging

Custom chocolate boxes, folding boxes, gift boxes, display boxes, paper tube-style packaging, sleeves, and other paper-based box structures.

Custom chocolate gift boxes and retail packaging set with ribbon box, drawer box, insert tray, and premium paperboard chocolate box designs

Retail & Gift Packaging

Paper bags, cards, inserts, seasonal packaging, and coordinated packaging materials for gift sets, retail display, and brand presentation.

Custom chocolate thank you cards and logo stickers for branded packaging inserts, sealing labels, and customer unboxing experience

Labels, Stickers & Cards

Self-adhesive labels, logo stickers, sealing stickers, paper cards, sleeves, and other printed brand communication materials.

Custom chocolate tin, logo ribbon, and thank you packaging tape used as supporting items for complete chocolate gift packaging projects

Supporting Packaging Items

When needed, we can help coordinate ribbons, tapes, tins, and related auxiliary items for complete chocolate packaging projects.

Who We Work With

We work with chocolate and confectionery businesses that need custom packaging for brand presentation, gifting, retail sales, e-commerce delivery, seasonal campaigns, private-label projects, and long-term production supply.

Artisan chocolate shop display with premium chocolates and branded packaging for custom chocolate brands and chocolatiers

Chocolate Brands & Artisan Chocolatiers

For brands that care about premium presentation, unboxing experience, brand consistency, and flexible custom packaging development.

Open e-commerce chocolate packaging box with branded chocolate products and protective paper filling for online delivery

E-commerce Chocolate Sellers

For online sellers that need practical packaging support for delivery protection, branded packing, and repeat fulfillment.

Premium custom chocolate gift box with insert tray for corporate gifts, seasonal collections, and branded chocolate packaging

Corporate Gift & Seasonal Gift Suppliers

For companies developing holiday collections, promotional campaigns, wedding gifts, business gifts, and repeat seasonal packaging projects.

Chocolate factory packaging line with workers packing chocolate products for large-volume confectionery manufacturing and supply

Chocolate Factories & Confectionery Manufacturers

For manufacturers that need stable quality, bulk production support, clear communication, and long-term supplier cooperation.

Retail chocolate and dessert shop display with packaged sweets and gift boxes for branded in-store presentation

Retailers, Bakeries, Cafes and Dessert Shops

For businesses that need branded packaging to improve in-store presentation, takeaway experience, and gift appeal.

Not sure which packaging solution fits your chocolate project? Share your product type, sales channel, quantity, and packaging goal. We can help review suitable box structures, paper materials, printing options, and supporting packaging items.

Discuss Your Packaging Project

Sustainable Materials with Responsible Sourcing

Choose from a wide range of premium paper materials, including FSC®-certified options for projects that require sustainable sourcing and regulatory compliance.

From paper selection to printing performance, we help you find the right balance between appearance, functionality, and environmental responsibility.

FSC certificate, paper material stocks, and loading area showing responsible sourcing support for custom chocolate packaging production

Your Long-Term Packaging Partner

Every chocolate brand has different packaging challenges. Whether you need to improve presentation, optimize structure, simplify production, or maintain consistent quality, we work with you to develop practical packaging solutions.

Our goal is not simply to manufacture boxes, but to become a reliable partner who supports your brand as it grows through dependable quality, efficient communication, and long-term cooperation.