Hangzhou Spring Co., Ltd.

The valve spring of Hangzhou Spring Co., Ltd. won the title of Ministry of Excellent Product in 2016. Steyr valve springs won the 2016 China Machinery General Parts Industry Outstanding New Product Award. The valve spring series and Geely R valve springs won the 3-year China Machinery General Parts Industry Outstanding New Product Special Award and the Excellence Award respectively. Geely Engine Valve Spring and R , series of valve springs won the special prize and the excellence award for outstanding new products in the China Machinery General Parts Industry. The environmentally friendly high-precision engine valve spring passed the provincial new product appraisal in 2018. In August 2019, the Technology Innovation Fund Management Center for Science and Technology Small and Medium-sized Enterprises of the Ministry of Science and Technology announced the list of the first batch of projects approved by the National Innovation Fund of the year. The variable stiffness valve spring r project for gasoline engines for passenger cars undertaken by Hangzhou Spring Co., Ltd. was among them. In 2007, our company supplied valve springs for National Day parade vehicles. In 2016, the company's high-precision and high-reliability valve springs for marine engineering won the title of innovative product from the China General Machinery Parts Industry Association. Hangzhou Spring Co., Ltd.'s marine engineering drill pipe spring series and high-speed elevator buffer high compression ratio spring were awarded the annual independent innovation special outstanding new product and outstanding new product by the Machinery General Components Industry Association.
Valve spring is an important part of the engine, which directly affects the power and service life of the engine. Hangzhou Spring Co., Ltd. is the original manufacturer of fixed-point valve springs of the Ministry of Mechanical and Electrical Engineering. It supports many engine manufacturers and is suitable for Steyr, Euro III, Deutz,,,R,,,,,,,,,,,,, ,,,,,,,,R, and other types of automobile engines and internal combustion engines, valve springs for remanufactured engines in the circular economy, and high-power valve springs for offshore drilling platforms developed for national key projects, all of which have achieved the goal of replacing imports. It is at the leading level in China.
The company will continue to develop and produce various types of high-precision, environmentally friendly, low-emission Euro III, circular economy, zero-emission, variable stiffness engine valve springs, etc., including variable diameter, variable stiffness, with dampers, etc. A high-precision and environmentally friendly engine valve spring.
The materials used are mainly domestic and imported oil-quenched high-quality alloy spring steel wires with circular cross-sections (special-shaped cross-sections such as rectangular, oval, etc. can also be used). The wire diameter is from: -.
Our company strictly follows the requirements of the ./ and/ quality management systems and strictly controls all aspects from raw material testing, process control, and finished product type testing to ensure zero defects in product quality.
The company has been reviewed by the Zhejiang Quality System Audit Center and obtained the certification certificate. It passed the Swiss Company Quality Management System Certification in March. It also passed the Swiss Company/: Quality Management System Certification in March. Credit rating. Passed the quality, environment, and occupational health and safety management system certification of Wantai Certification Company:/:/ in the year and won the "Measurement and Inspection System Qualification Certificate" issued by the Hangzhou Municipal Bureau of Quality and Technical Supervision in the year and month. In 2017, the valve spring won the title of National User Satisfaction Product. The valve spring, hydraulic spring, and truncated cone scroll spring series products produced by our company were officially selected into the catalog of famous, excellent, and new electromechanical products. The company's research institute was recognized as a technology center by Yuhang District. The Japanese company was awarded the "Standardization Good Conduct Certificate" by the Hangzhou Quality Standards Technology Assessment Center. In the year, the company was awarded the Yuhang District Quality Management Demonstration Unit and the On-site Management Demonstration Unit. In the year, the company was awarded the Lan Lingpai Spring was awarded the Yuhang District Famous Brand Product, the company was awarded the title of Harmonious Labor Relations Enterprise in Gongshu District, and was awarded the title of Advanced Enterprise for Scientific and Technological Innovation in Xingqiao Street. It was awarded the title of Advanced Independent Innovation Enterprise of the Year by China General Components Industry Association. Won the annual Yohander Best Quality Award. In 2007, the company was recognized as the Hangzhou Enterprise Technology Center by the Hangzhou Economic Commission. In 2016, the company won the titles of Yuhang District Harmonious Labor Relations Enterprise and Xingqiao Street Scientific and Technological Innovation Advanced Enterprise. In March of this year, the Japanese company obtained the measurement management system certification certificate from Zhongqi Metrology System Certification Center. The company's valve springs, hydraulic parts springs, hot coil springs, and high-precision clutch spring series products were included in the "Famous, Excellent, and New Mechanical and Electrical Products Catalog" in the year and month. The company was awarded the honorary title of Hangzhou High-tech Enterprise in the year and month. Company/:Quality management system version certification. Passed the Wantai Certification Company in the year: /:/: quality, environment, occupational health and safety management system version change audit. In the year, the Lanling brand internal combustion engine valve springs with bore sizes below passed the national user satisfaction product re-evaluation. In the year, the company's Lanling brand spring passed the Yuhang The district's famous brand products were re-evaluated. In 2016, the company won the first prize of Hangzhou Technical Standard Award and the Zhejiang Province Standardization Demonstration Enterprise. In 2016, the company was listed as the most promising small and medium-sized enterprise in Zhejiang Province. It was approved as a high-tech enterprise in key national support fields in 2018, applied for next year's national torch project in 2018, won the famous trademark of Yuhang District in 2018, and obtained the standardized good conduct certificate in 2018. Passed the R:R International Railway Industry Management System Certification in January and passed the Swiss Company/: Quality Management System Certification Renewal Audit in January. In March 2019, Hangzhou Spring Co., Ltd. was awarded the title of Specialized Enterprise, and in March 2019, it passed the Wantai Certification Company: Occupational Health and Safety Management System Version Certification. Passed the certification renewal audit of Wantai Certification Company in March: /:/: Quality, environment, occupational health and safety management system certification renewal audit, passed the certification renewal audit of Dekai Wantai Certification Company R: R International Railway Industry Management System in March, passed the certification renewal audit in March Dekai Wantai Certification Company/: Quality management system certification renewal audit.