Dongguan Yyi Technology Co., Ltd.
Dongguan Yyi Technology Co., Ltd.
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At YYI Tech, we specialize in custom CNC stainless steel parts with outstanding precision, strength, and corrosion resistance. With over a decade of experience in CNC machining, we serve industries such as aerospace, automotive, medical, electronics, and industrial equipment.
Stainless Steel Grades: SS303, SS304, SS316, SS416, SS430, etc.
Excellent for high-precision and high-strength applications.
Corrosion-resistant and suitable for indoor/outdoor use and harsh environments.
5-Axis CNC Machining
CNC Milling and Turning
Tight tolerances: ±0.01mm or better
Surface finish options: Brushed, Polished, Sandblasted, Anodized, Passivation
Prototypes to mass production available
ISO-Certified Facility & Quality Control
Fast Turnaround Times (7-15 Days Depending on Volume)
Competitive Factory Pricing
Free Design Evaluation & Quotation
Global Shipping & OEM/ODM Support
Automotive engine and gearbox parts
Medical surgical tools and housings
Aerospace brackets and fasteners
Robotics and automation components
Electronics enclosures and connectors
Q1: Can you produce custom stainless steel parts based on my CAD drawing?
A1: Yes. We accept 2D/3D files (STEP, IGES, DWG, DXF, STL) and provide design optimization suggestions.
Q2: What is your minimum order quantity (MOQ)?
A2: Our MOQ starts from just 1 piece for prototyping. Bulk pricing available.
Q3: What is your lead time?
A3: Standard production takes 7–15 working days, depending on order volume and part complexity.
Q4: How do you ensure the quality of each part?
A4: Every part undergoes 100% inspection using calipers, micrometers, CMM, and surface testers.
Q5: Can you provide material certificates and RoHS compliance?
A5: Yes, all materials come with certification, and we can provide RoHS reports upon request.