ShuangWei Co., Ltd , located in Ningbo Zhejiang province, enjoys good transportation convenience. It is to the south of world NO. 1 sea-crossing bridge and only 3 hours’ drive to china economy center-Shanghai. East to the famous trading port - Ningbo BeiLun port (60 miles) , south to LiShe international airport (50 miles) and west to scenery site-West Lake respectively. ShuangWei Co., Ltd was established in 1998 with total investment of 3 million US dollars . The products are mainly metal , plastic and LED solar products , including metal barrier , sign frame, road block, crash cushion , traffic cone , warning column, lamp, solar charging lamp and other environment and safety protection products. ShuangWei Co., Ltd integrates research , manufacturing , sale , trading and after-sale service to develop and design new products according to customer requirement to satisfy customer unique needs. The products are usually exported to Japan , Korea , Singapore and US-Europe countries and regions .