Title: Yantai Huaneng Steel Pipe Co., Ltd. Description: located in Yantai City, Chinas main seamless steel pipe production base. There are 2 major plants in Yantai City: Yantai General Steel Pipes Plant (Shandong), and Yantai Lubao Steel Pipe Co., Ltd. We are an ... Tags: Seamless steel pipes Category: Yantai URL: http://hngytg.en.alibaba.com