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Key Features

Quality Control

ISO 9001 Quality Management system

We have ISO9001:2008 quality management certification, While quality is more than just a certification. Our factory has the strict internal quality control system. In recent years, We use ERP system for production management, so we are able to handle every step of the production process – from initial quotation to final delivery.

Dimensional Inspection during production

We have strong in-house dimensional inspection ability. Because we have equipped with all necessary dimensional inspection equipment, like CMM, Image measuring instrument, etc. We have strict inspection procedures such as first piece inspection, process inspection, and final inspection. We can guarantee that all machined parts are inspected and approved before delivery.

Hardness Testing

Hardness is an important mechanical property index of metal materials. Because there is an approximate conversion relationship between hardness and strength, Based on the hardness value, we can roughly calculate the strength value. Therefore, hardness testing is widely used in CNC machined parts.

In our factory, we have two hardness testers, we can do Rockwell and Brinell hardness test


Our machining factory strictly follows ISO9001 quality management system and working towards to 5S. From incoming material inspection, in-process inspection to Final inspection, We have a workable control plan. We can do Dimensional inspection, Non-destructive detection in our factory. Our quality control ability can meet every customer's requirement.

No previous NEXT:Assemble and Package




Qingdao Runlin Metals Co.,Ltd.

Contact: Johnny Qi

Phone: +86-13789872616

Skype: Johnny-517

Wechat: +8613789872616



Add: Zhouji industrial park, Jimo, Qingdao, China