Brief introduction of the JDSSM ● Jiangsu Dahua Stainless Steel Manufacture Co., Ltd. (JDSSM) is a large manufacture company， which established in September 2007, mainly products stainless forgings, flange, and pipefitting, with a investment of 10 millions RMB. It locates in the biggest stainless steel manufacture valley in China, the Dongtai Qindong Stainless Steel Industrial Concentrate District, and covers 60,000 square meters.

● the JDSSM mainly manufactures metal flange using carbon steel, alloy steel, stainless steel, alloy titanium etc. with its sizes covers metric DN15 ~ DN2000 or inch 1/2″～78″and model PL, WN, SO, TH, SW, LJ, BL and so on, which are according to GB, HG, HGJ, SH, SY, DL, ASME/ANSI, BS, AWWA, JIS and DIN standards. The products are widely used in marine(shipbuilding) and land use such as petroleum, chemical industry, natural gas, electric power, nuclear energy, metallurgical industry, food industry, pharmacy, urban supply line and environmental protection for its proper material, standardized size, easy assembly and safety performance.

● Today, a total floor space of 60,000 square meters and its factory buildings cover about 26,000 square meters. There are more than 110 sets of facilities such as common lathe, numerical control lathe, forging press, big caliber end-face lathe, vertical lathe, drilling machine, etc. The JDSSM has established a perfect Testing Center with its Ultrasonic Detectors, Magnetic Detector, Microcomputer Electro-hydraulic Servo Universal tester, Impact Testing Machine, Hardness Tester, Ultrasonic Thickness Gauge, Chemical Composition Analysis Instruments, SPECTROLAB Direct Reading Spectrometer, portable Direct Reading Spectrum Analyzer Alloy Components, Analytical Balance which its precision of 0.1 mg, etc. Its stainless steel output is up to 20000 tons and flange products 5,000 tons annually.

● The JDSSM have built the QC System according to ISO9001-2000. By means of programming and effectively controlling all the