李某某

Ningbo Instrument & Valve Factory was established in 1964 and is one of China's leading enterprises specializing in the research and production of vacuum valves. It is a member of the China Vacuum Equipment Industry Association, a collective member unit of the China Vacuum Society, and has been recognized as a Quality Management Unit and a Level-3 Enterprise (Mechanical) certified for standardized safety production in Ningbo City.

The company’s registered trademark, "Torch," is an outstanding brand in the vacuum industry. Its main products include ultra-high vacuum slide valves, high-vacuum gate valves, standard high-vacuum (pressure) ball valves, Type A high-vacuum (pressure) ball valves, high-vacuum butterfly valves, vacuum inflation valves, vacuum electromagnetic differential-pressure valves, vacuum fine-tuning valves, vacuum diaphragm valves, flow monitors, and more—comprising over 30 product series and 400+ individual models. We offer a variety of actuation options, including manual, pneumatic, and electric drives, as well as numerous flange and connection sizes. These products are widely used across diverse industries such as defense, scientific research, aerospace, electronics, machinery, metallurgy, energy, environmental protection, biomedicine, refrigeration, food processing, and more.

The company owns production facilities spanning over 20,000 square meters and employs more than 30 skilled technical professionals. It is equipped with a complete set of vacuum valve testing and production equipment, and has established both a valve design center and a machining center. Integrating R&D, design, manufacturing, and sales, the company delivers high-quality products and services to its customers.

The company has always adhered to the principle of "surviving through quality and thriving through excellence," leveraging advanced design and manufacturing & testing equipment to ensure that every product—from concept to completion—meets stringent standards of precision and reliability, ultimately making each item a true masterpiece. All products are meticulously designed using cutting-edge tools such as CAD software, and undergo over ten rigorous manufacturing processes, including precision casting, hot forging, welding, heat treatment, fine machining, and final assembly. Additionally, the company employs fully automated CNC machines, state-of-the-art welding systems, and advanced material composition analyzers, enabling complete digital engineering integration via CAD technology across its core production facilities. Looking ahead, the company remains steadfast in its commitment to forging ahead with determination and confidence, striving relentlessly to become pioneers who make the most of every moment and contribute meaningfully to our shared future!