Why source from Mexico
Prototype and production lead time
Rapid prototypes from this plant take 1 week. Big-batch production takes 20–25 days. Add the target date on the RFQ if the window is tight.
Duty confirmed at entry
Duty is confirmed by the importer at US entry under the HTS, USMCA origin rules, and Section 232 for that part. Include HTS and program notes on the RFQ.
Dual-factory program support
Mexico production, warehouse, customs, and after-sales stay on one order. China workshops can add backup capacity or engineering support when the program needs it.
What runs at the Mexico plant
Die casting, CNC, blasting, powder coating, and polishing run on the Ramos Arizpe floor.
Polishing
Castings are brought to a specified gloss or prepared for powder coating.
Die casting
YIZUMI cold-chamber machines from 300T to 800T cast aluminum parts.
Shot blasting
Automated blasting removes burrs and lays a uniform matte surface before coating.
CNC machining
Ten multi-axis machines cut fits, datums, and critical features to print.
Powder coating
One automatic spray line applies color, texture, and corrosion resistance.
Industry applications and production programs
Automotive and EV
Housings and structural parts for automotive and EV programs that need Mexico supply.
Automotive parts →
Outdoor and industrial lighting
Outdoor and industrial light housings cast, machined, and powder-coated in Mexico.
Lighting parts →
Telecom and network infrastructure
Enclosures for telecom and network hardware on the local cast, machine, and finish chain.
Electronic parts →
Consumer electronics
Small precision aluminum housings and structures for consumer electronics programs.
All capabilities →Tooling quoted with Mexico production
Precision molds can be quoted alongside Mexico production runs, ensuring tooling design, validation, and serial casting stay coordinated under one unified program.
Complex tooling is built in China workshops and transferred to Ramos Arizpe for 300T–800T production lines. Send STEP or IGS files, 2D tolerances, casting alloy, and estimated annual volume with the RFQ.
USMCA trade and end-to-end customs support
Bian Diecast coordinates Certificates of Origin, HTS classification, and commercial invoices for cross-border transit into the United States and Canada. All castings utilize U.S.-sourced aluminum ingots to qualify for USMCA duty-free benefits, with customs coordination and landed freight priced transparently into your program.
Recent Delivery Example: Mexico to Arizona — A DDP shipment left our Ramos Arizpe plant for Arizona, USA, via a dedicated 53-ft truck directly to the customer receiving dock.
Our 5-step manufacturing workflow
Disciplined stage-gate execution uniting China tooling precision with Mexico nearshore speed.
DFM & Fixed-Cost Quoting
Upload 3D CAD files. We return a same-day DFM review with transparent tooling, piece-price, and landed logistics quotes.
Program Kickoff & Scheduling
Confirm the program to lock in mold timelines and allocate 300T–800T casting press cells at Ramos Arizpe.
Tooling & First Article (FAI)
China master tooling in 35–45 days. FAI samples ship with full CMM dimensional reports and PPAP Level 3 support.
Serial Production & Finishing
IATF 16949 mass casting in Mexico with in-house CNC machining, powder coating, and real-time SPC control.
USMCA Customs & Dock Delivery
Origin certs and customs handled end to end. Dedicated 53-ft trucks deliver directly to your dock in 1–3 business days.
IATF 16949 and dual-factory support
China workshops handle complex tooling and high-volume backup. The Mexico plant runs mid-volume die casting, CNC, finishing, and North American delivery.
Bian Diecast holds IATF 16949 certification. Quality anomaly reports receive engineering response within 24 hours, with on-site technical support dispatchable within 48 hours for North American programs.
Explore China FactoryEnvironmental-friendly & Safety Certifications
Our mission is to deliver the utmost quality products to our customers, all while adhering to environmental regulations. We are dedicated to continuously enhancing our environmental performance to meet and exceed customer needs and expectations.
Visit the facility in Ramos Arizpe
The Finsa park floor covers cold-chamber die casting, CNC, polishing, shot blasting, and powder coating. Schedule a visit and walk the plant floor. Share a preferred date and the number of attendees in the form.
Avenida Halcón No. 250, Parque Industrial Finsa, Ramos Arizpe, Coahuila, C.P. 25904, Mexico
Schedule a tourMexico supply questions
How are US import duties, USMCA rules, and BABA requirements handled?
Duty is confirmed by the importer at US entry based on HTS classification, USMCA origin rules, and Section 232. All castings use aluminum ingots imported from the United States, supporting USMCA origin calculations and BABA project reviews upon request.
What processes and surface finishes run at the Mexico plant?
The Ramos Arizpe plant provides an end-to-end line: cold-chamber die casting (300T–800T), multi-axis CNC machining, shot blasting, polishing, and automated electrostatic powder coating on the same site.
What is the mold lead time, and how is tooling coordinated?
Mold lead time is 35–45 days depending on part complexity. Tooling is engineered and built in China workshops for cost and precision advantages, then seamlessly transferred to Ramos Arizpe for serial production.
What certifications apply, and can we schedule an on-site plant tour?
The Mexico plant operates under IMMEX, and Bian Diecast holds company-wide IATF 16949 certification. In-person plant tours in Ramos Arizpe can be scheduled directly via our inquiry form.
