We are  perfectly realizes that quality is pledge of development of the enterprise.

That's why the LIANSU company:

1.  Fist passed the ISO9002 quality certification system in the industry in 1998;

2.  Passed the ISO9002 quality certification system again in 2002;

3.  Pass the QEO trinity, namely - quality, safety and environmental audit system in 2004 ( ISO-9001,  ISO-14001, OHSAS-18001);

4.  Got CE Certificate.