Sales & Support: Request A Quote
Home About Us

China Coal Rainbow Machinery Equipment Co., Ltd. Quality Control

We used this coal sizer(twin roll crusher) with high performance, very easy to operate and with little maintenance, very good.

—— Antony

I'm Online Chat Now
QC Profile

Ultrasonic flaw detector

The ultrasonic flaw detector is used to test the workpiece internal defect, such as flaw, puff and pore, etc.

Belt Feeder Test Instrument


Current test instrument

The current test instrument is used to test the motor rated current, ensure the motor to accord with safety standard when the machine has a test run.

Linear Vibrating Screen Test Instrument


Noise test instrument

The noise test instrument is used to test machine noise, ensure the machine normal running and avoid generating large noise to damage human ear. Generally the max.noise cannot be more than 80dB(A).

Circular Vibrating Screen Test Instrument


Temperature test instrument

The temperature test instrument is used to test the machine motor temperature, ensure the difference in motor self temperature and outdoor temperature cannot be more than 40 celsius degree, when the machine starts to make the test run.

Banana Screen Test Instrument


Speed test instrument

The speed test instrument is used to test the machine running speed, ensure the machine to reach the stable speed before leaving the factory.

Dry Mortar Mixer Test Instrument

  • Standard:ISO9001:2008


    Issue Date:2013-08-02

    Expiry Date:2016-08-01

    Scope/Range:Manufacture of crusher station, coal mine rod-toothed crusher, transportation equipment(belt feeder) within qualification scope;

    Issued By:Kaixin Certification(Beijing)Co.,Ltd.

  • Standard:CBCA Membership


    Issue Date:2014-05-22

    Expiry Date:2017-05-21

    Issued By:China Bulk Cement Association Of Popularization&Development

  • Standard:SGS Audited Supplier


    Issue Date:2013-02-23

    Expiry Date:2016-02-22

    Scope/Range:In Recognition of Your Site Existence&Business Operations

    Issued By:SGS-CSTC

Contact Details
China Coal Rainbow Machinery Equipment Co., Ltd.

Contact Person: Mr. Bill Lau

Tel: 86-373-3663285

Fax: 86-373-3663296

Send your inquiry directly to us (0 / 3000)