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ONE Valve Manufacturer Co., Ltd.

St. Louis valve products

8200 West Florissant Avenue

Louisburg, MO 63136

(131) 455-3200

Business Hours

Monday

08:00 AM

-

05:00 PM

Tuesday

08:00 AM

-

05:00 PM

Wednesday

08:00 AM

-

05:00 PM

Thursday

08:00 AM

-

05:00 PM

Friday

08:00 AM

-

05:00 PM

Saturday

08:00 AM

-

05:00 PM

Sunday

Closed

Founded in 1993, Onero is a leading valve manufacturer known for innovative designs, high-quality products, and excellent customer service. The company offers end-to-end solutions, from research and production to international sales, meeting the valve needs of industries worldwide. Onero provides a wide range of products, including ball, gate, check, and globe valves, as well as Y-strainers, all compliant with global standards like API, JIS, BS, and DIN.

With over 20 years of experience, Onero combines competitive pricing and customized certifications. Focused on quality control, Onero collaborates with top raw material suppliers and offers OEM/ODM services, seeking new partnerships to advance the valve industry.