Why Global Industrial Buyers Choose Yongyu Optoelectronics for Copper & Aluminum Precision Machining

Jiangxi Shangrao Yongyu Optoelectronics Co., Ltd. was established in July 2021, located in Chating Industrial Park, Shangrao City, Jiangxi Province, China. We focus on non-standard customized CNC machining of copper and aluminum precision parts, and have become a stable long-term supplier for purchasers from many industries worldwide.

1. Complete Production Equipment & Independent Processing Workshop

Our factory is equipped with full sets of CNC machining centers, CNC lathes, automated cutting equipment and dedicated surface treatment workshops. All processes including turning, milling, drilling, tapping, deburring, polishing, anodizing and passivation are completed in-house, no outsourcing, so delivery schedule and product quality can be fully controlled.

2. Strict Full-process QC System

We implement three-level quality inspection standards:

1. Raw material incoming inspection to verify material grade and hardness;
2. In-process patrol inspection during machining to track dimensional tolerance in real time;
3. Finished product full inspection with precision calipers and measuring instruments, micron-level tolerance control. Every batch of goods is accompanied by inspection records before shipment.

3. Flexible Customization Service Mode

• Support OEM & ODM customization according to customer drawings, physical samples and technical specifications
• Both small-batch prototype sampling and large-volume mass production are acceptable
• Transparent quotation, detailed breakdown of material cost, processing cost and surface treatment cost

4. Widely Covered Application Industries

Our custom machined parts are applied to optical equipment, industrial automation, precision instruments, auto parts, general machinery and other fields. We adhere to the tenet of precise manufacturing and win long-term cooperative trust from global customers with stable quality and punctual delivery.