Factory Tour

See how Hongli Stamp supports wholesale buyers from stamp housing preparation, rubber plate processing, assembly and inspection to packing and export delivery.

Injection molding machines for stamp housings
Injection molding machines producing self-inking stamp housings at the Hongli factory in Dongguan, China.
Workers assembling self-inking stamps on production line
Workers assembling self-inking stamps on the production line at Hongli’s Dongguan factory.

Production Areas

A clear factory tour helps buyers understand that they are working with a real production supplier, not only a trading page. Below are the main areas involved in custom stamp production.

Injection & Parts Preparation

What happens here: Stamp housings, handles and replacement parts are organized by model, size and color before assembly.

Products involved: Self-inking stamp housings, handles and spare parts.

Quality control point: Parts are checked for visible defects and correct color before they enter the assembly line.

Rubber Plate & Laser Engraving

What happens here: Laser rubber sheets and custom artwork files are prepared for engraving, logo proofing and sample confirmation.

Products involved: Rubber die plates for self-inking stamps and laser rubber sheets for stamp makers.

Quality control point: Engraved plates are checked against the approved digital proof before bulk engraving.

Assembly Line

What happens here: Self-inking stamp bodies, pads, springs and rubber plates are assembled for repeatable stamping performance.

Products involved: Complete self-inking stamps across all models and sizes.

Quality control point: Mechanism smoothness and die alignment are checked during assembly.

Pad & Ink Preparation

What happens here: Stamp pads, replacement pads and ink colors are checked for matching buyer requirements.

Products involved: Ink pads and replacement ink pads in five ink colors.

Quality control point: Ink color and pad fit are verified against each order.

Packing Area

What happens here: Bulk cartons, private label packaging and mixed product orders are packed according to export order requirements.

Products involved: All wholesale and OEM export orders.

Quality control point: Packaging contents, labels and carton marks are checked before sealing.

Warehouse & Shipment

What happens here: Finished goods are stored and arranged for sample delivery, air shipment or container export.

Products involved: Finished stamp orders and laser rubber sheet orders.

Quality control point: Final quantity and model check before dispatch.

Injection molding machines for stamp housings

Precision automated equipment for stamp parts production
Automated equipment used for precision stamp parts production at Hongli.
Automated production machine and conveyor line at Hongli stamp factory
Automated production machine and conveyor line for stamp parts at the Hongli factory.

Workers assembling self-inking stamps on production line

Stamp ink filling process for self-inking stamp pads
Ink filling process for self-inking stamp pads at the Hongli factory.
Quality inspection on stamp assembly line
Quality inspection on the self-inking stamp assembly line before packing.