
RunSun valve Co.,Ltd
Was established in January 2012, located in Nantong, Jiangsu, China,the company is an international leading provider of hydraulic components including central rotary joint,mono block valve,non-standard block valve,non-return valve,stop valve,non-standard flanges and others,these products are widely used in the industry of construction machinery,mining machinery,offshore operating ,port machinery and environmental protection machinery ,etc .for the past decade,we have been committed to product development and innovation,We have products research and development capabilities ,successfully obtained more than 10 invention and application patents, and became high-tech enterprise,we have more than 20 CNC precision machining,precision deep hole drilling machining,automatic ultra-high pressure cleaning production line,metal surface treatment,three coordinate measuring instrument and complete sets of testing equipment.
Our products are exported to the international markets including the Japan, Russia,Southeast Asia,etc. and are applied to many world-renowned enterprises.

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Development history
January,2012,RunSun established,Registered product brand"RunSun",meaning:Chasing dreams, yearning for sunshine
In 2013,achieved cooperation with MITSUBISHI
In 2014,became qualified supplier of XCMG
In 2016,became qualified supplier of COSCO Shipyard
In 2018,became qualified supplier of SDLG
In 2020,Obtained cooperation with Russian CMZ
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Production and processing capacity
RunSun uses only the most advanced, reliable and flexible CNC machine on the market. the factory has dozens of machining centers, CNC lathes, CNC coordinate drilling machines; can drill aluminum, steel, iron. Our company independently develops special tools and advanced processing technology, so that all the insertion holes and standard connector holes can be processed through the mold at one time. this ensures the technical specifications of concentricity and tightness. RunSun combines automatic ultra-high pressure cleaning line with ultrasonic cleaning technology to meet the requirements of high cleanliness.
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Effective Quality Control
From raw materials to manufactured products, all products manufactured by RunSun are 100% tested in strict accordance with the requirements of the ISO9001 quality system. Before assembling, every chain of the product will be detected by professional technicians. In this way, we ensure the reliability and consistency of products.The company has advanced inspection equipment and instruments: CMM, the high rate pneumatic measuring instrument, cold light endoscopes ,multi - function hydraulic testing bench , cleanliness detector. etc; the hydraulic testing bench is controlled by computer, which could collect flow pressure and operating force data directly.
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Industries that we serve
Our company pays special attention to customized services, providing customization solutions through in-depth understanding of the specific requirements of each customer. This personalized service model has won the trust and support of our customers.
â—Construction machinery
â—Marine equipment
â—Coal mining machinery
â—Port machinery
â—Sanitation machinery
â—Hoisting machinery
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