Yantai qingzhou steel pipe sales co.,ltd. Is specialized in seamless and welded steel pipes. It’s located in yantai ,a beautiful seaside city with convenient communications.our company can supply carbon and alloy steel pipes with high quality and good service. The products are produced according to international advanced standards such as api,astm,din,jis etc..the size covers from 1/4” to 28”(od from 13.7mm to 711.2mm), wall-thickness from sch20,sch30 to sch160,xxs,and length up to 40’.it has gained high reputation at domestic market and exports to southeast asia, middle east, north america, south america, europe and africa.we are looking forward to build long-term and cooperative relationships with you.please feel free to contact us for more details.