Metal machining company specializing in alloy steel screw machining and fabrication manufacturing.
Metal machining company specializing in alloy steel screw machining and fabrication manufacturing.
At Shenzhen Hongsinn Precision Co., Ltd. we specialize in high-precision alloy steel screw machining,comprehensive metal fabrication manufacturing, and custom CNC solutions as a leading metal machining company. Our AS9100-certified facility delivers superior components for aerospace, defense, and industrial applications.

As an ISO 9001 certified manufacturer, Hongsinn offers high quality CNC machined parts, expertly handling complex designs. We follow international best practices to achieve tight dimensional tolerances of ±0.0004″ (0.01mm), ensuring our products meet your exact specifications and satisfy all your requirements.
Hongsinn provides fast production and delivery of CNC machining parts, enabling flexible iterations to help you stay ahead in the market. Upload your design and receive a CNC quote within 2 hours. Our engineering team provides precise cost calculations, transparent pricing, and shortened delivery times, greatly improving your competitiveness.
Using cutting-edge technology and equipment, we ensure the highest quality, precision and performance of automotive parts. To accelerate the development and verification of our customers' CNC machining products, we have more than 100 advanced CNC machines and a professional rapid prototyping team. From design analysis to mass production, we can deliver within 24 hours and provide full support to ensure customer success.
We have a comprehensive quality control system, including IQC, IPQC and FQC, supervising every stage from raw materials to final shipment. We retain two years of inspection reports and are equipped with advanced 3D and 2D measuring instruments, as well as laboratories for precise dimensional inspection and material compliance. We provide CMM inspection, material testing and conformity certification to ensure excellent quality.
Processing | CNC Turning, CNC Milling, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding | |||
Materials | Aluminum: 2000 series, 6000 series, 7075, 5052, etc. | |||
Stainless steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. | ||||
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. | ||||
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper | ||||
Titanium: Grade F1-F5 | ||||
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. | ||||
Surface Treatment | Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. | |||
Tolerance | ±0.002 ~ ±0.005mm | |||
Surface Roughness | Min Ra 0.1~3.2 | |||
4.Quick proofing, short delivery time, usually is 3-15 days
We collaborate with surface finishing factories with over 10 years of experience, offering more than 40 surface finishingprocesses. Two senior engineers work on customizing cost-effective solutions based on your needs, strictly controlling every step to ensure a 98% product yield and outstanding surface finishingquality.
Our rapid prototyping services support product development, providing rapid prototypes and mold tools to ensure design verification. CNC machining accurately creates plastic and metal parts to simulate the appearance and function of the final product.
Our professional CNC services ensure quality and precision, and promise fast delivery, helping you quickly verify the feasibility of your design.




























