OVERWELL(JINAN) PIPING MATERIALS MANUFACTURING CO.,LTD.

TEL: 0086-531-88870001

TEL: 0086-531-82689072

FAX: 0086-531-82689071

E-MAIL:  overwell@flanges-china.com

JINAN SUN METAL&PLASTIC PRODUCTS CO.,LTD.

JINAN SUN-WEI FORGING & CASTING CO.,LTD.

TEL: 0086-531-82689072

FAX: 0086-531-82689071

E-MAIL: overwell@flanges-china.com