Yongson technology co.,ltd

We operate our enterprise according to iso9001 quality control standard strictly.we get reputations with quality,and is being developed speedily.so far we have passed the authentication of usa(ul)/canada(cul),germany(vde),sweden(semko),finland(fimko),norway(nemko),demark(demko),korea(ktl) and iec-cb.our products have received world-wide praise from customers,and exported to the world.