Professional Cast Carbon Steel Products , High Manganese Steel Casting Services

1. 20 years of manufacturing success in China and exporting experience worldwide

2.Global specialized producer of machined castings.

3. We combine our own resources with some other well-developed factories to fulfill a wide range of contract manufacturing capabilities. Working with one source, saves time and money.

4. Satisfied supplier of 7 big companies from North America and Europe.

5. Low cost mold materials and focus on efficiency offer a cost-effective solution to your metal component purchasing requirements.

6. Normal lead times range from 1 to 6 weeks for fully-machined components.

7. Strong capacity to help customers develop new projects.

8. Our sales department is 24 hours available in order to help our customers solve problems quickly.

Contact Yinyu today and begin enjoying the benefits of high quality and low price products.


Quality Assurance:

Quality Control Policy:

• HJC is committed continually improves the effectiveness of the quality management system (QMS) and sets quality
• objectives and continuous improvement plans.
• HJCis committed introducing all staff to its quality policy and quality systems,to familiarize themselves with the QMS
• and strive to continue to improve upon the quality, capability and work environment.

Detailed Quality Control In Manufacturing Process
Material Supply

• To be sure material specification and size correct.
• To be sure material chemical composition correct, material certification must be provided in each material purchasing lot.

Equipment Maintain

• Machining equipments maintain: Checked by each day, have records to track.
• Inspection equipment maintain: Checked by each 15 days, have records to track.

Machining Process

• Setup work instruction chart for each part.
• Check production process and updated drawing issue before machining.
• Fixed Inspection: 4 times/shift, have records to check, carried by QC.
• Random Inspection: to avoid uncertain potential quality issues.
• Final Inspection: Each part have its final inspection stardard before packing