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 [2015-01-13] Ouyi is a professional manufacturer for designing & producing ball valves and ball valve spare partsOuyi is a professional manufacturer for designing & producing ball valves and ball valve spare parts, which was established in 1998. In the last 16 years, we concentrate on offering worldwide customers economical and saf... [2015-01-13][Guarda i dettagli] |
First grade equipment means the possibility of First Level products, now OUYI have advanced moving and bench-top CMM(Three-coordinate measuring machine), as to producing equipment, OUYI VALVE customized a 64" ball machin... [2015-01-10][Guarda i dettagli] |