No Xiaifeier fluid-controlled Instrument Co., Ltd., a professional manufacturing series of valves limit switch box (valve back to the hearing) and electric valve positioner is known, the company aims: credibility first, quality first. Set design, development, manufacturing, sales and service in one of the modern enterprise, the company in quality, integrity-based business philosophy, domestic and foreign merchants by the trust and welcome foreign businessmen and domestic support providers important Partner. ITS-100, SLS10 limit switch box, APL-210N, APL-310N, APL-312N, APL-410N, APL-510N limit switch box, stainless steel limit switch box, ALS-100 series, ALS-200 series, ALS-300 series, ALS-400 series (Exd‖CT6), ALS-500 series (Exd‖BT6) limit switch box with HT protocol digital signal output limit switch box, intrinsically safe, explosion, valve position transmitter , DPDT, air control, and other direct travel limit switch box. ALP-1000 series electric valve positioners, smart positioners agreement with HT. These products supporting the installation of bracket hole reasonable design, using a common design specifications. Stainless steel shaft and mounting brackets are in accordance with NAMUR. Also in order to meet the needs of domestic and foreign merchants, with steel mounting bracket material A3 (spray) and stainless steel SS304, SS316 to choose from. Double wire port (cable interface) has: 3 / 4NPT (F), 1 / 2NPT (F), 3 / 4NPT (F), M20 * 1.5, PG13.5, PF1 / 2, PT1 / 2 and so on are available. Standard contacts, safe and convenient on-site operation.