DJM have passed the certification of integrated management system, namely ISO9001:2008 Quality Management System, ISO14001:2004 Environmental Management System and OHSAS18001:1999. Meanwhile, it produces its products according to international and European standards and American standards. We have set up a perfect quality management and control system and a reliable and accurate traceability system. At present, the company has perfect quick on-the-spot sample chemical analysis and physical and chemical inspection means and equipment, direct-reading spectrometers, metallurgical microscopes, X-ray detectors, tensile testing machines, Brinell hardness testers, coordinate measuring machines, etc., which can guarantee its product quality and meet quality requirements of customers on products.
In the business tenet of ¡°Market-oriented, Customer-supreme¡±, the company makes unremitting effort to meet customers¡¯ requirements.

Test & Standards
We can supply all complete Checmial Analyzing. And mechanical properties, such as Tension Testing. Impact testing .Hardness testing and Ultrasonic Testing .Magnestic Particle inspection. Penetrative Inspection . X-ray inspection . Dimension inspection > Metallogragh Microscope. Pressure Testing . Balance testing .etc

Inspection report of material chemical analyzing according to En10204
Delivery standard according to DIN 1683-GTB17 , GTB18 OR ISO 8062¨CCT9/10 or ISO2768-C/F
Tolerance of sand casting oron according to DIM 1685-GTB17 ,GTB18OR ISO8062-CT9/10 OR ISO 2768 ¨CC/F
Tolerance of investment castings according to ISO 8062 OR ISO 2768-8 SURFACES DASS IN Ra6.3 and Ra3.2
Tolerance of forge according to EN10031
Tolerance of die forge according to EN10243 AND uic 80057
Tension testing according to EN50125 or GB/T228-2002
Impacting testing according to SEP 1921 OR b/T6402-1991 ,en12680-1 OR gb/t 7233 , GBT/T11345-1989(For welding),EN583
Magnetic particle inspection according to ISO 4988 OR GB/T 9444-1989 OR EN1369
Penetrative inspection according to ISO 4987 or GB/T9443-1988 OR en571-1
X-RAY inspection according to ISO 4993 or GB/T5677-1985 or EN12681