HP 821 Latex Ink Cartridge (Recycled Latex Ink)
Wholesale Price:$36/PC
Widely applicable: Compatible with HP Latex 310/330/360 series printers.
Fast Drying: Prints dry instantly, eliminating the need for additional drying equipment, saving time.
Description
HP 821 Latex Ink Cartridge (Recycled Latex Ink) - Choose OCBESTJET, the Trusted Choice
OCBESTJET's Corporate Reputation and Culture






Corporate Culture: Adhering to the principles of "Green Technology, Responsible Innovation," we are committed to the sustainable development of recycled ink.
Charity Activities: We participate in environmental charitable projects, promote cartridge recycling and reuse, and advance a green, circular economy in the industry.
Core Team: Composed of professionals from HP and major consumables companies, we possess extensive technical and production management experience.
International Clients and Success Cases
We have provided customized solutions for European and American advertising agencies and Asia-Pacific printing service providers, earning a strong reputation in the European market.
Our case studies include large-scale outdoor advertising, indoor display walls, quick-drying posters, and more.
Product Specifications and Parameters (Table Format)

| Parameter Item | Description |
| Product Name | HP 821 400ml Remanufactured Ink Cartridge (Contains Remanufactured Latex Ink + Chip) |
| Compatible | with HP Latex 310/330/360 Printers |
| Available Colors | K (Black), C (Cyan), M (Magenta), Y (Yellow), LC, LM, OP (Optimizer) |
| Ink Type | Water-based Latex Ink (Eco-friendly and Odorless) |
| Chip Function | Automatic identification, supports progress monitoring |
| Storage Temperature | 5–40°C (See HP Official Technical Specifications) |
|
Capacity |
400 mL |
Outstanding Performance Compared to Competitive Products
More environmentally friendly and safer than traditional solvent inks.
Low printing cost, excellent results.
Material: Performance comparable to OEM (original equipment manufacturer), high cost-effectiveness.
Packaging, Trading Methods, and Certification
Exquisite packaging with clear color coding, suitable for international shipping.
Supports flexible small-volume transactions and long-term contracts.
Products are also certified by multiple third parties for consistent quality.
After-Sales Service Advantages
Provide regular customer follow-up visits and training.
Support OEM collaboration and joint development.
Operational Video Instructions
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