Guide to Valve Fugitive Emissions and Low-Leakage Solutions
Mar 28, 2026
Fugitive emissions refer to the unintended release of gases or vapors...
Premium Quality Valves, Gaskets, Packing, Bolts & Nuts
We produce pipe parts such as valves, gaskets, packing, pipe fitting, and bolt nut fasteners with superior quality.
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Guide to Spiral Wound Gaskets Selection
Mar 20, 2026
In demanding industrial environments such as oil refineries, chemical...
About Us
As a leading valve manufacturer in China, we mainly provide valves, gaskets, packing, fasteners (bolts and nuts), flanges, and other pipeline products. Our extensive experience in various projects and our commitment to professional services enable us to deliver high-quality products to customers around the world.
We are dedicated to becoming a highly efficient one-stop service supplier for all your pipeline product needs, ensuring that we save you time and reduce costs. Whether you are an EPC company or involved in pipeline construction projects, we are your ideal partner, offering reliable solutions and exceptional support every step of the way.
Our advantages
The third-party inspection
Qishine is a professional pipeline product exporter. We have been engaged in pipeline products for more than ten years and have rich experience in the industry. Our customers are from Europe, North America, South America, Africa and the Middle East.
Superior fasteners and gaskets
Qishine provides high-quality products, and our factory is ISO, API and PED certified. We can provide samples and welcome third-party inspections such as SGS and BV.
Fasteners and gaskets for harsh environments
Qishine can provide high-performance products, which can be used in the bolts, nuts and gaskets of nuclear power projects. They can be used for harsh environments, such as ASTM A453 GR.660A, ASTM B637 UNS N07718, and ASTM F468/467 N06625 fasteners and gaskets.