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    2.    Fujian Dongya Machinery Co., Ltd. is located in the China Hercynian Economic Zone of Putian City, Fujian Province, was founded in 1988, is a collection of scientific research development and production in one of the high-tech enterprises, is the piston ring and its special equipment of the professional manufacturers. 2001 in Xiamen special economic zone established Xiamen new piston set research... more >>