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Jinan Dragon Steel Balls Co.,Ltd

City:jinan

Province/State:shandong

Country/Region:china

Contact Person:MsSerena

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Quality Control

Dragon balls have own quality control team and quality test office for test every batch balls.

Core pulling test internal hardness

Spectrometer is very strict for chemical composition detection, especially for cast balls.

Hardness test is the most routine test, 30-50 balls per ton.

Impact force test is to detect the impact force of steel ball.

Certifications

Standard: Quality test

Number: 17042316000028

Issue Date: 2017-04-24

Scope/Range: government quality test

Issued By: China government

Standard: Export quality test

Number: 02941390

Issue Date: 2017-04-11

Scope/Range: Export quality test

Issued By: Government

Company Profile

Jinan Dragon Steel Balls Co.,Ltd

Contact Person: MsSerena

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