Main:Qingdao Sinofirst Machinery Co.,Ltd is specialized in Aerial Work Platform and Material Lift Platform.SINOFIRST is established in 2000 with great experience in manufacturing an
Main:Qingdao Grandxin Cap Co.,Ltd.established in 2002,which occupies an area of over 8,000 square meters.Registered capital of RMB 5 million, We are professionally engaged in produces various baseball caps