Machined parts ship in 3 days, order your metal & plastic parts today. Contact us now

Machined parts ship in 3 days, order your metal & plastic parts today. Contact us now

Quality control process for producing custom parts

Learn about Longsheng’s advanced manufacturing processes, our strict implementation of ISO quality standards and ISO 90001:2015 certification guarantee the consistent quality, accuracy and durability of your custom parts and prototypes.

Make quick solutions to quality problems

To ensure that each custom part you order meets the highest manufacturing standards, we can rework or refund if the order does not meet your specifications. You only need to inform us of the problem within 5 working days after receiving the goods, and we will solve it within 3 working days.

Conditions for Refund

After confirming product issues, we will promptly process refunds and handle returns to ensure customer satisfaction and swift issue resolution.

Conditions for Rework

After raising an issue, we will review the design and samples to check for any inconsistencies. We will then promptly address the complaint and send replacement parts immediately.

ISO & IATF Certifications

We provide high quality manufacturing solutions for complex and precision parts such as optical parts, automotive parts, medical devices or aerospace parts, and in order to demonstrate our commitment to quality and excellence, we actively seek and obtain accreditation from reputable organizations.

Quality Documentation

We ensure that orders meet our customers’ quality standards and provide certification and reporting upon request

CMM Inspection Report

Availability: CNC machining

Dimensional Inspection Report

Availability: CNC machining, 3D printing, sheet metal fabrication

Material Test Report

Availability: CNC machining, sheet metal fabrication

First Article Inspection (FAI)

Availability: CNC machining

most advanced testing equipment

Experience our unmatched precision and superior quality control, using cutting-edge inspection equipment to ensure that every part meets stringent industry standards and exceeds customer expectations.

Put your parts into production today

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