Yuyao City Derun Hydraulic Fittings Co., Ltd. was founded in 2007, with a factory located in Mazhu Town Industrial Park, Yuyao City. Our company is a professional manufacturer of gas springs, metal stamping parts and plastic parts. Since our foundation, we have been insisting on the principle of "quality first, integrity-based, customer first", taking "good faith, efficiency, mutual benefits" as our objective and "Guide operating, production steadily expanding" as our purpose. Through six years ...