Professional door and window system manufacturers

 Shandong Lanjing Energy Saving lechnology Co.,LTD was established in 2017,located in Zibo City,Shandong Province,China. Weare engaged in the deep processing of aluminum doors and windows,curtain wall system and hard-ware accessories,as well ase-commerce,software development and technical services,etc.We are one of the most important manufacturers and exporters of doorsand windows in China.The company and Shandong Lanjing Glass Technology Co.,Ltd.belong to the Lanjing Group.we also have ourproducts of Tempered Glass,Insulated Glass,Laminated Glass,etc.

    We have a very strict quality control system and after-sale service which include strict inspection Since the company established.Ourproducts are exported to over 30 countries,such as Thailand,Philippines,America and Canada etc.Our product widely used in the systemdoors and windows,curtain wall,general industry and other fields.

    We're committed to offer satisfying products &service,being your reliable doors & windows,cur tain wall and engineering glass supplier.We are expecting to build up a long term relationship and growing together with you!