NINGBO LONGYI MACHINERY IMP. &EXP. Co., Ltd. is located in beautiful Ningbo, one of the biggest port cities in China. It was founded as a professional high quality products manufacturer. We have a 8000 square metres foundry and a 5000 square metres precision plant, which ensures our satisfing your special need in every way we can. We have been keeping on upgrading our technology to keep pace with the international trends. Products: Construction machinery.