... at Stouthness Group Industrial Park which covers an area of 300,000 square meters at Wenzhou city, Zhejiang province. The ... power, Qiangli manufactures its entire products following the requirement of standards of GB5099, GB17258, EN1964, ISO9809, ISO11439 from BV France ... and etc. The management system of Qiangli is registered to ISO9001. Qiangli supplies its superior quality ...