[01] Technical Consultation

Talk to an engineer.

Send us your drawings, material requirements and volumes. Our engineering team replies within one business day with feedback on tooling and moulding feasibility.

[02]Direct Contact
Plant status: Active · 24 hrs/day

Hong Kong Office · 香港總公司

Grand Long Industrial Limited

China Factory · 國內廠房

Grand Long Precision Molding and Plastic (Shenzhen) Co., Ltd.

Response within 1 business day
[03]Request for Quotation

Subject

Request Equipment List & ISO Certificates

Upload 3D CAD / 2D Engineering Drawings (Optional)

Drag and drop your drawings hereor Browse files

Accepted formats: STEP (.stp), IGES (.igs), Parasolid (.x_t), SolidWorks, PDF, ZIP (Max 50MB). Or email large files directly to cs1@grandlong.com.hk

100% IP Protection · Hong Kong Legal Jurisdiction · Engineering DFM feedback within 1 business day.