API & ISO Certified Ball Valves for Oil, Gas, Chemical & Engineering Applications
Industrial Ball Valve Manufacturer
Industrial Ball Valve Solutions
Latest News
TIME: 13-15 MAY 2025
Transformative Changes for Safer Future Energy | Uzbekistan Energy Week
We cordially invite you to attend the Uzbekistan Energy Week, taking place on May 13-15, 2025, in Tashkent, Uzbekistan.
TIME: 3-5 JUNE 2025
The 2025 Baku Energy Week
Join us at the Baku Energy Week, a must-attend event for energy professionals. From June 3rd to 5th, 2025, we will explore the future of energy and its impact on the global economy.
About ONERO
A pioneering ball valve manufacturer
— Since our launch
in 1986.
ONERO is a professional industrial ball valve manufacturer with 38 years of experience. Based in Zhejiang, China, our 18,000㎡ plant produces API 6D certified valves for clients in the Middle East, Southeast Asia, Central Asia, and Turkey.
We specialize in OEM/ODM for EPC contractors, trading firms, and valve distributors across chemical, oil & gas, and engineering sectors.
300+
Enterprise Employees
We have experts in Ball valve manufacturing, testing, and research and development.
100M+
Annual output value
With an annual production value reaching 100 million yuan.
18,000+㎡
Factory area
In 2023, we moved into a new facility, expanding its scale with a plant area of 18,000+㎡.