Jiangyin jiyang metr LTD. Co. is a specialized manufacturer. Its products are spreading all around the state and exported to many countries.        The designing standard of our company adopts GB/T2624-93, ISO5167-1:1991 、 ISO/TR15377 、 BS1042 and other flow measurement handbooks,testing standard adopts JJG640-94.         The throttling device made by the company, together with the differential pressure meters or transmitters, can be widely used in petrochemical plant,metallurgical,power plants,textile,food industrial,refineries,etc,for flow measurement and control of all kinds of fluid such as liquid, gas and steam, with advantages of simple construction,easy maintenance,high reliability,stable characteristics and accurate measurement,it uses widely in industrial sectors, its occupancy reached about 70% in whole flow instruments.         The company products various kinds of throttling device such as orifice plates with corner,flange,and D-D/2 taps,ISA 1932 Nozzle, Long Radius Nozzle, classic venturi tubes and venturi Nozzle etc,according to GB/T2624-93 & ISO5167-1:1991.we also supplies special throttling such as airfoil type volume measuring device,double-tier venturi tube,1/4 circle orifice plate(nozzle),excenric orifice plate,segmental orifice plate, double-tier orifice plate,inner small orifice plate,ANB flowmeter,low pressure loss flowmeter etc,over 30 kinds and more 1000 specifications of products may be offered for pipe size from DN6 to 5000mm ,max. Pressure PN42.0mpa(2500 Class),and temp. From -196 ℃ to 1200 ℃ .we will supply complete set including the primary element,tappings,upstream 10D and downstream 5D pipe(D being the pipe diameter),flanges,pressure lines,valves,and fittings.By order,some essential accessories as condenser,balancer,gas chambers,etc,may also be included.we also supply the pipe sundry components such as multistage(single-stage) throttling orifice,high temp.throttling bar,etc.we can also offer in accordance with clients requirement.         In keeping with depth of economic system reform,we readjust time after time. Of late years,we advertise for technician far and wide,enlarge markeg. We also bring in advanced management idée and pass ISO9000 system. We are one of specialized manufacturers passing this system. The workers understand poignantly production management and process by studying this system,the company production management come within controlled state all the while.         Our company filled with great vitality. Let′s sincerely cooperating.