Shandong eternal energy group co., LTD. The main light alloy, mining equipment, Internet, engineering machinery, such as import and export business in one of the diversified joint-stock enterprise group, since its establishment, uphold "to create first-class enterprise, talents, ...

Jiangsu Delta Engineering Tech Co., Ltd who is a group company being professional in all types of pumps,motors,diesels,valves and related equipments.With shares top pump China,we offer pumps with advanced technology excellent quality.Our chief engineer professor university,all our ...

Changchun Effort Technology Co.,Ltd was a professional mannufacture of optics in the world.Our company based Jin Lin Province,Changchun City, which is orginal Institute Of Optics, Fine Mechanics And Physics Chinese Academy Sciences,the biggest Sciences China. Our experienced engineers ...