1)GB3087: It is usually used in over-heat pipe for low and medium-pressure boiler,boiling water pipe, locomotive smoke pipe(big and small);
2)GB8162: It is widely used for common structure;
3)GB8163: It is used in fluid feeding.
COMPANY:Beijing Shengtian Piping Trading Co., Ltd
WEBSITE: http://www.stpiping.cn
ADDRESS: ROOM11A, HUATENGGUOJI BUILDING, DAJIAOTING MIDDLE STREET, CHAOYANG DISTRICT, BEIJING CITY, CHINA
TEL: 86-10-67729355
FAX:86-10-87952399
MOBILE PHONE:15011298752
EMAIL:tjbjst@live.cn
20# seamless pipes