Learders' study		Learders' training		Workers' training
The champion of the sports		Sports		2018 Annual recognition conference
The experts' visit

    Ningbo Donglian Mechanical Seal Co.,Ltd. (Dyseals) is always paying more attentions not only to skilled workers and technology innovation in mechanical seals and mechanical seal faces/rings, but also to workers' spare time, organizing some activities to co-operate well. Experts in mechanical seals and seal faces/rings have given important guides.