RD/Design

The R&D team has over 110 technical personnel, classified by product, possessing the capability for synchronous research and development with the main manufacturing plants, lightweight design abilities, and a focus on research and development of new materials and new processes. They hold 19 invention patents and 109 utility model design patents,participated in the formulation of 1 international standard, 14 national standards, and 9 industry standards.

International standards:

ISO/WD11891《Technical conditions for hot coil spring compression spring》


National Standard:

*GB/T 2088《Dimensions and parameters of ordinary cylindrical spiral tension springs》

*GB/T 31214.1《Spring shot peening - Part 1: General rules》

*GB/T 39520《X-ray diffraction testing method for residual stress of springs》

*GB/T 13828《Multi strand cylindrical spiral spring》

*GB/T1358《Cylindrical spiral spring size series》

GB/T 1805《Spring terminology》

GB/T 43074《Spring symbol》

GB/T 1973.1《Small cylindrical spiral springs - Part 1: Technical specifications》

GB/T 16947《Specification for fatigue test of helical springs》

GB/T 23934《Technical conditions for hot rolled cylindrical spiral compression springs》

GB/T 1239.1《Technical specifications for cold rolled cylindrical spiral springs - Part 1: Tension springs》

GB/T 1239.2《Technical specifications for cold rolled cylindrical spiral springs - Part 2: Compression springs》

GB/T 1239.3《Technical specifications for cold rolled cylindrical spiral springs - Part 3: Torsion springs》

GB/T 23935《Design and Calculation of Cylindrical Spiral Compression Spring》


Industry Standards:

JB/T 7944《Sampling inspection of cylindrical spiral springs》

JB/T 10416《Technical Specifications and Standards for Suspension Spiral Springs》

JB/T 12794.1《Technical specifications for lateral stabilizer bars - Part 1: Commercial vehicle lateral stabilizer bars》

JB/T 10591《Technical specifications for valve springs of internal combustion engines》

JB/T 3338《Technical conditions for cylindrical spiral compression springs of hydraulic components》

JB/T 7367《Magnetic Particle Testing Method for Cylindrical Spiral Compression Springs》

JB/T12792《Technical specifications for clutch shock absorber spring》

JB/T12793《Technical specifications for clutch diaphragm spring》

JB/T 10802《Technical specification for spring shot peening strengthening》

Notes:*Lead the revision of standards

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