2026-04-14 19:49:58
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DOUSON.Located in Suzhou, Jiangsu Province, China, DOUSON is a specialized enterprise dedicated to the development, design, and manufacturing of valves. Currently, the company primarily serves industries such as petroleum, petrochemicals, thermal power, nuclear power, new energy, and metallurgy. Strictly adhering to domestic and international standards, DOUSON has established a comprehensive valve product system covering these sectors. In terms of certifications, DOUSON has obtained a series of authoritative certifications, including API Q1, API 6D, API 6DSS, API 600, API 608, API 609, EU CE certification, Russian EAC certification, and French Bureau Veritas (BV) marine valve certification, providing a solid foundation for the company’s products to enter high-end markets both domestically and internationally. The company’s valve products have an extremely wide range of applications, capable of withstanding extreme temperatures from cryogenic -196°C to high temperatures of 650°C, complex environments ranging from onshore to deep-sea settings, and demanding pressure conditions from vacuum to ultra-high pressures of 4,500 psi. Product types include ball valves, gate valves, globe valves, check valves, control valves, butterfly valves, and other industrial valves. Among these, the company’s independently developed high-pressure ball valves and rail-mounted ball valves are at the forefront of the industry in both technology and application. Currently, DOUSON’s products are widely used in the petroleum, chemical, natural gas, power, coal chemical, offshore platform, and marine sectors, and are exported to dozens of countries including South Korea, the United Arab Emirates, Brazil, Singapore, Kazakhstan, Qatar, Saudi Arabia, and Vietnam. The company’s main products include: ball valves, rail-mounted ball valves, API 6A valves, butterfly valves, cryogenic valves, power plant valves, oxygen valves, gate valves, globe valves, check valves, and jacketed valves.