Zhejiang Naishi Valve Co., Ltd. operates a precision ball valve factory that has become a global benchmark for quality and reliability. This ball valve factory designs every component to meet ASME, ANSI, EN, BS, DIN, API, GB and GOST standards, ensuring that each valve shipped worldwide is ready for the toughest applications. Inside the ball valve factory, DN10 to DN1600 valves are engineered for temperatures from ‑196 °C to 600 °C and pressures up to 4500 Lb, proving that the ball valve factory never compromises on performance.

The ball valve factory portfolio is exceptionally broad: track ball valves, forged steel high-pressure gas ball valves, fully welded ball valves, floating ball valves, fixed ball valves, high-temperature wear-resistant ball valves, DBB double ball valves and special stainless-steel or high-nickel alloy ball valves roll off the lines every day. Such diversity allows the ball valve factory to serve oil and gas transportation, urban heating, gas distribution, petrochemical, chemical, energy, power-station and metallurgical industries with tailor-made solutions.

Quality is engineered into every stage of the ball valve factory workflow. A well-trained professional team, solid technical expertise, efficient management and meticulous production management form the backbone of this ball valve factory culture. Each valve undergoes rigorous inspection and testing, and the ball valve factory backs every product with a 10-year warranty, underlining confidence in durability and long service life.

Rapid response defines the ball valve factory customer experience. Thirty dedicated salespeople operate seven days a week, ensuring that requests are answered within hours, not days. Expert engineering support is equally swift: eight seasoned engineers stand ready to produce detailed drawings at a moment’s notice, allowing the ball valve factory to customize valves from customer sketches or samples with remarkable speed.

Comprehensive certifications and an integrated ERP system reinforce the ball valve factory commitment to excellence. By passing multiple industry audits and continuously investing in research and development, the ball valve factory remains agile, innovative and fully equipped to meet tomorrow’s challenges today.