We are Qingdao Jasper International trading Co.,Ltd which specialize in auto parts such as automobile leaf springs,coiled springs,stabilizer bar,guide arm,airsuspension engine valve spring,ect.

We are direct manufacturer. Our total investment is 120 millon dollars and the building area is 50,000 squar meters,including more than 400 employees.

Our products quality deserves highly evaluaton among customers,which improves market credit of the company.The leaf spring and stabilizer bar were listed into appointed products for military use by SINOTRUK and the appointed export products.Besides,our company undertakes design,reserch and development of suspension system in the coorperation project of SINOTRUK and Germany Man Company.

Our company make use of CAE finite element analysis and other software,processes independent testing and detecting center,introduces into carbon-sulfur analyzer,metallurgical microscope,salt atmosphere testing machine,fatigue testing machine and other ...[More]ed testing and detecting equipments,and owns the ability of making further study and analysis on optimizing automotive suspensions,vibration matching,car loading suitability,products reliability,failure mode analysis other aspects.