Founded in 2003, China Valve Gasket Bolt Nuts Co., Ltd. (https://www.valvegasketboltnuts.com/ ) has grown into a trusted and influential supplier in the global fabrication services sector, providing comprehensive solutions for industries such as Oil & Gas, Petroleum, Marine, Oilfield, Mining, Chemical, Power Generation, and Heavy Industry. With nearly two decades of expertise, we have established ourselves as a leading valve manufacturer in China while also offering a complete range of pipeline construction and maintenance products, including: Industrial Valves (gate, globe, check, ball, butterfly, and more) Gaskets and Packing for high-performance sealing solutions Fasteners (bolts, nuts, studs) designed for strength and reliability Flanges and Pipe Fittings for secure and efficient connections Pipes and Spare Parts tailored to project requirements By integrating these product lines, we serve as a highly efficient one-stop partner for EPC contractors and companies engaged in pipeline construction projects. Our commitment is not only to supply products but also to save time, reduce costs, and simplify procurement processes for our clients. All our products meet international standards and are API, CE, TUV, and ISO certified, guaranteeing consistent quality and reliability. They are widely used in oil rigs, nuclear power facilities, chemical plants, offshore platforms, and large-scale industrial installations where safety and performance are paramount. At China Valve Gasket Bolt Nuts Co., Ltd., we pride ourselves on being more than just a supplier. We are a solution provider backed by: An experienced technical team with deep industry knowledge A skilled workforce trained in precision manufacturing Advanced facilities and equipment ensuring efficiency and quality A proven track record of on-time delivery and cost-effective solutions Whether you are managing a large-scale EPC project or require specialized pipeline components, we deliver reliable products, professional support, and long-term value. Our mission is to build lasting partnerships through trust, quality, and service excellence.

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China Topper Valve Packing Seal Kits Co., Ltd. (https://www.valvepackingsealkits.com/ ) is a dedicated manufacturer specializing in high-performance industrial valves, sealing gaskets, and packing solutions tailored for critical and demanding applications across diverse industries. Our product portfolio, which includes gate, globe, and ball valves, is engineered to meet rigorous API standards and features advanced low-leakage graphite packing to ensure outstanding performance under extreme pressure and temperature conditions. In addition to our valves, we supply premium sealing gaskets and packing materials designed to withstand chemical corrosion, thermal cycling, and mechanical stress. Every product undergoes thorough third-party testing and holds certifications from globally recognized standards such as API 622, API 624, API 641, ISO 15848-1, and TA-LUFT—validated by renowned institutions including TüV Süd and TüV Rheinland. Fueled by a commitment to innovation and sealing excellence, we pioneered early research and development of low-emission graphite packing solutions to address stringent market demands, particularly in regions like the United States. Our long-standing collaborations with leading universities and research organizations have enabled us to tackle complex challenges related to valve leakage, friction, and wear. These breakthroughs culminated in our first TüV-witnessed API 622 certification and have since paved the way for a comprehensive range of international approvals, underscoring the real-world reliability and performance of our valves. What truly distinguishes China Topper Valve Packing Seal Kits is our scientific and multidisciplinary approach to valve engineering. While many manufacturers concentrate primarily on machining, we delve deeper into understanding the behavior of non-metallic materials under various pressures and temperatures, developing advanced coatings for sealing surfaces, and analyzing long-term friction and wear mechanisms. Our expert team—spanning valve design, sealing technology, materials science, and automation—integrates academic research with industrial application to deliver smarter, more reliable valve solutions. This synergy helps our customers enhance operational safety, improve efficiency, and extend service life, earning trust across a broad spectrum of industries.

Founded in 1988, Kelly Valve Co., Ltd. is a leading manufacturer of flow control and industrial valves, with state-of-the-art manufacturing facilities located in Xiamen and Zhejiang. Our unwavering commitment to excellence is evident through our advanced research and development capabilities, cutting-edge factories, and adherence to rigorous industry certifications such as ISO 9001, API 6D, and PED CE, ensuring the highest quality products for industries around the globe. In addition to our extensive range of standard valves, Kelly Valve specializes in custom-designed solutions tailored to meet specific client requirements. Our dedicated procurement and sales teams collaborate with over 100 trusted manufacturers, ensuring efficient sourcing, stringent quality control, and on-time delivery. We offer exceptional service from pre-sales inquiries to after-sales support, ensuring a seamless experience for our customers. With a global presence in over 20 countries and serving major industry leaders like BP, SHELL, and PETRONAS, Kelly valves are trusted worldwide. We continue to deliver reliable, high-quality, and competitively priced products that provide exceptional value to clients across diverse sectors such as oil and gas, power generation, and petrochemicals. https://www.kellyvalve.com/