Founded in 2003, Qishine (China Valve Gasket Bolt Nuts Co., Ltd. ) has risen as a prominent leader in the fabrication services sector, catering to core industries including Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry. With over two decades of dedicated experience in pipeline construction and maintenance, we have solidified our reputation as a top-tier valve manufacturer in China, offering a comprehensive portfolio of high-quality pipeline products.
Our product range covers valves, gaskets (including flexible graphite gaskets, corrugated graphite gaskets, and insulating gasket kits), packing (such as graphite packing for gate valves, forged steel valve packing sets, and high-pressure ball valve packing), fasteners (bolts and nuts), flanges, pipe fittings, and other essential pipeline components. Many of our offerings are engineered for extreme conditions—including nuclear power projects—with specialized options like ASTM A453 GR.660A, ASTM B637 UNS N07718, and ASTM F468/467 N06625 fasteners and gaskets, ensuring reliable performance in harsh environments.
Committed to quality excellence, our factory holds rigorous certifications including API, ISO, and PED, with products also meeting CE and TUV standards. We welcome third-party inspections by renowned institutions like SGS and BV and offer product samples to reinforce customer confidence. Our products are widely utilized in critical applications such as oil rigs, new nuclear power plants, chemical facilities, and various heavy industrial projects, trusted by clients across Europe, North America, South America, Africa, and the Middle East.
As a highly efficient one-stop service supplier, we strive to save our partners time and reduce costs—making us the ideal collaborator for EPC companies, project contractors, and entities involved in pipeline construction. Our experienced team, skilled workforce, and advanced facilities ensure the safe, efficient, and on-budget completion of projects, while our customer-centric approach means we work closely with clients to deliver tailored, reliable solutions. From initial consultation to post-delivery support, we provide exceptional service every step of the way, solidifying our position as a premium, trusted supplier in the global pipeline industry.China manufacturer offers high-quality industrial products with competitive pricing and advanced production capabilities.
