Weiweihai Construction Windows and Door Co.,Ltd is specializing in manufacturing “ZHONGKAI”brand aluminum profiles. Located in Yiling industry area,Naning City,Guangxi province.Cover in area square meter.With the independent office building. The surface processing of aluminum profiles is including mill finish,anodizing,electrophoresis,polishing,powder coating,PVDF wood grain transfer and thermal break.And used for major files such as doors and windows,curtain wall,decoration and industry.Our annual output reaches 50000tons. Our company rely to Guangxi bauxite resource ,which is contains the largest and the best quality of aluminum. To ensure product quality. Our company adhere to create a branding strategy of “outstanding products and service”,with the “high efficiency,meticulous,considerate” to service all our customers. We also set up a specially technical engineering department and sales department. If you are interested in any items or want to see more products, pls go to our customer service center. We will try our best to satisfied you . And warmly welcome you to visit our factory.