Hydraulic Engineering Systems Industry;

Mining and Metallurgical Equipment Industry;

Construction, engineering machinery industry;
And it passed certification

Our filter elements are tested according to ISO 2943
Compatibility with hydraulic fluids ISO 3968
Flow characteristics ISO/DIS 3724
Flow fatigue characteristics ISO/DIS 4572
Filter performance test (Multi-pass test) ISO 2942
Proof of integrity and quality (Bubble point test) ISO 3723
Verification of the end cap stress ISO 2941
Collapse / burst pressure verification

If you want to learn more information, welcome to contact us:

Best regards,

Joy Lee

Mob & WhatsApp & Wechat: 008613673363586 

HENAN DEMALONG FILTER CO., LTD

Email: E@dmlfilter.com          |Skype: dml-lee