Ding Chun Nanjing Electric Co., Ltd. Contact: Amaryllis light 18652048568 Business Phone: 025-66039810 Fax: 025-52797292 Mobile: 18652048568 Business QQ: 840422601 Business mail: 840422601@qq.com The company Nanjing Institute to develop and produce 609 servo valve servo control is MKZ-03 (04) moving (static) state tester MKZ801F.14 MKZ805A MKZ801B.14 hydraulic servo valve amplifier FF-113/230, FF-113/150, FF / 113/95 FF-101/1, FF -101 / 2, FF-101/4, FF-101/6 FF-102/30, FF-102/20, FF-102/10 FF106-63, FF106-100, FF-106/103 FF106A-218, FF106A-234, FF106A-103 FF-131/100, FF-131/101, FF-131/102, FF-131/103, FF-131/104, FF-131/125 FF-260/1, FF- 260/2, FF-260/5, FF-260/10, FF-260/12 FF-261/5, FF-261/10, FF-261/15, FF-261/20, FF-261/30 FF-133/5, FF-133/10, FF-133/20, FF-133/40 FF-280/1, FF-280/2, FF-280/5, FF-280/10, FF-280 / 15 FF-281/20, FF-281/25, FF-281/30, FF-281/35, FF-281/40 FF-502/10, FF-502/20, FF-502/40, FF -502 / 60, FF-502/80