Yantai Haiyou Metal Material Co., Ltd is specialized in the sales and service of seamless steel pipes,which is located in the beautiful and fascinating city-Yantai. Our company supply many kinds of Seamless Steel Pipe, such as, ASTM, API and other national standards. Our products have high quality and competitive price. We sincerely hope to cooperate with all the customers. Please contact us for more details. seamless steel pipe for structural purposes; seamless steel pipe for liquid service; seamless steel pipe for low and medium pressure; seamless hot-rolled steel pipe for hydraulic pillar service; seamless steel pipe for petroleum cracking; high-pressure seamless steel pipe for chemical fertilizer equipments; seamless steel pipe for gas cylinder; line pipe; petroleum and natural gas industries tries line pipe-technical condition part1:gradeA,B casing, tubing and drill pipe(plain-end) seamless carbon steel pipe for high-temperature service; high precision cold-drawn(rolled)blank