Suzhou Longkai Special Metal Materials Co., Ltd.

Suzhou Longkai Special Metal Materials Co., Ltd. is a specialist manufacturer of seamless stainless steel tubes.

Located in Suzhou in Jiangsu Province,our company enjoys convenient transportation, 90 kilometers away from the Port of Shanghai, Shanghai Pudong Airport and Hongqiao Airport. Located in No.6 Yingbin Road, Xinzhuang (Yangyuan) Industrial Park of Changshu,Suzhou City. Our company covers an area of 20,800 square meters, including the construction area of 10000 square meters and the afforested area of 2,800 square meters.

The company has a registered capital of RMB 16 million Yuan, as well as has a total investment of RMB 23 million Yuan, the existing total assets of RMB 46 million Yuan, and annual output value of RMB 110 million Yuan. The company has 108 employees, of which include 78 production staff and 22 technical staff, and the rest are the administrators.

We are specialized in the manufacture as below:
ASME: TP405, TP409, TP410, TP429, TP430, TP439, TP430Ti, TP446, 18Cr-2Mo, 17-4PH,TP904L, S31803, S32205, S32750, S32760, TP316L, TP304L, TP317, TP347, TP321, TP310S
EN: 1.4002, 1.4512, 1.4006, 1.4016, 1.4510, 1.4521, 1.4539, 1.4462, 1.4410, 1.4501, 1.4404, 1.4307, 1.4439, 1.4550, 1.4541, 1.4845
JIS: SUS405, SUS409, SUS409L, SUS410, SUS429, SUS430, SUS430LX, SUS444, SUS31803, SUS329J3L, SUS316L, SUS304L, SUS317, SUS347, SUS321, SUS310S

Specifications: Martensite, Ferrite, Precipitation hardening, dual-phase steel: outside diameters: 6mm-114.3mm, Wall thickness: 0.3mm--15mm;
Austenite: outside diameters: 3.18mm-38mm, Wall thickness: 0.3mm-6mm .
Delivery Conditions: bright precision, polish, acid pickling. We can produce U-tubes.

Production Standards: ASME, EN, DIN, JIS and GB.

Suzhou Longkai Special Metal Materials Co., Ltd. has had abundant experience in producing seamless stainless steel pipes for many years, with advanced management and strong production capacities in the production of special mechanical equipment. Our company enjoys a good reputation in the industry. Our corporation boasts an annual production capacity of 2200 tons. Our products are sold to more than 60 countries and regions, including Europe and America, South Korea, Japan, Taiwan area, South Africa, Brazil, Australia, the Middle East, and Southeast Asia, and are locally sold to the area of manufacture, process and project for the industries of chemical, oil, boiler, medicine, food, shipbuilding and etc. The products have passed the qualification tests of many Inspection & Testing Companies, like LR, BV, SGS and DNV. Our company has been passed PED, ISO9001:2000, ISO14004:2004, and the S32750 has passed Production technology on intellectual property rights in China.

We have superior quality consciousness as well as advanced inspection equipment. Equipment: Eddy Detectors, Hydraulic Machines, Ultrasonic Flaw Detectors, Steel Dividers, Direct-reading Spectrometers, Hydraulic Universal Testing Machines, crystal Corrosion Testing Devices, Rockwell Hardness Testers, Metallographic Microscopes, and Endoscopy devices.

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