We can manufacture products ranging from approximately 1g to 100 kg, covering a wide range of industrial applications.

We specialize in investment casting a wide range of steel grades, including stainless steel, carbon steel, alloy steel, duplex stainless steel, heat-resistant steel, and wear-resistant steel. Other castable steel grades can also be evaluated based on the material specification, chemical composition, casting requirements, and intended application.

OEM logos, part numbers, and other markings can be added by engraving, laser marking, casting, or other suitable methods depending on the product design.

We achieve a casting surface finish of Ra 3.2, and a machining finish of up to Ra 0.4.
 

Samples are available upon request. Please provide your product details, and we will arrange sample production accordingly.

We accept UG, STP, STEP, Parasolid, and other common formats. Files can be sent directly to casting@gdzeren.com, or large files can be uploaded via platforms like WeTransfer or Dropbox.

Yes, our engineering team offers DFM (Design for Manufacturability) analysis to help optimize product design for better performance and cost efficiency.

Normally for general materials, our MOQ is about 20-30 pieces. However, for products with complex or special materials, we are flexible. Please contact us for more details.

Our entire production process implements Total Quality Management (TQM) and a comprehensive process parameter recording and traceability system. We apply the Seven Basic Tools of Quality to analyze and improve any identified quality issues.

Yes, we offer complete customization from design, mold production, casting, CNC machining, heat treatment to surface finishing according to your specific requirements.

* Sample orders: 100% T/T payment in advance (or other agreed methods).
* Bulk orders: 50% T/T deposit in advance, with 50% balance before shipment.

We support sea freight, air freight, and express services (DHL, FedEx, UPS, TNT). Customized logistics solutions are also available based on customer needs.

* Samples: about 7–10 working days
* Mass production: about 20–50 working days depending on product complexity and order quantity.

We provide full after-sales support, including technical consultation, dimensional reports, performance evaluation, and prompt resolution of any quality issues.