Wenzhou Kangtuo International Trade Co., Ltd. (Est. 2013) is a subsidiary of Kangsaite Automation Group Co., Ltd.(KST), headquartered in the “City of Valves” — Wenzhou, China. The company specializes in industrial and sanitary valves, with products exported to over 60 countries and widely used in petroleum, natural gas, chemical, and other industries. Backed by over 30 years of manufacturing expertise and internationally recognized certifications, we uphold the values of Professionalism, Integrity, and Win-Win Cooperation to be a trusted long-term partner for clients worldwide.
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Our Core Advantages
Over A Decade Of Expertise
Established in 2013, Kangtuo has over 10 years of experience in the valve industry and international trade. Our products are exported to more than 60 countries worldwide.
Comprehensive Product Range
We specialize in both industrial and sanitary valves, including gate valves, ball valves, butterfly valves, check valves, pneumatic/electric control valves, and more—serving sectors such as oil & gas, power, water treatment, chemical, food, and pharmaceuticals.
Robust Manufacturing Capabilities
Backed by our core manufacturing bases—Jiangsu Saiter Automation Group and Beijing Valve Factory—we operate over 100,000 m² of modern workshops and 500+ advanced machines, with an annual output exceeding 1 million units.
Certified Quality Assurance
Our products are certified by DNV, ISO9001, CE, FDA, ATEX, SIL, and API. We strictly adhere to international quality standards and inspection procedures to ensure every product meets global requirements.
Strong Technical Support
With over 120 professional technicians and R\&D collaboration with top universities, we offer continuous innovation and customized engineering solutions.
Comprehensive Service System
We provide end-to-end project support with quick response, professional communication, and efficient problem-solving to ensure on-time and reliable delivery.
Global Vision With Integrity
Guided by the core values of “Professionalism, Integrity, and Win-Win Cooperation,” Kangtuo is committed to becoming a trusted long-term partner for clients worldwide.
