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    Changzhou Shengtak Seamless Steel Tube Co.,Ltd(STK) is a Sino-Hongkong joint venture and established as a specialized manufacturer of high-end seamless tubes of carbon steel, alloy steel&stainless steel.

    Located in south part of China, Changzhou City, Jiangsu Province - the most developed economic circle of Yangtze River Delta and established in 1990s, STK is also developing fast together with local economy and has been one of the biggest and best manufacturers of (rifled)seamless alloy steel tubes and seamless stainless steel tubes for high-pressure boilers,petroleum cracking&fertilizer equipment,and automotive industries in China. 

    In STK, there are 518 staff in total including 86 engineering&Technical staff(12 of them are senior engineers) and 92 management staff. There are two plants covering a total area of 115,000m2.With the registered capital of USD3,000,000 since establishment, the total value of fixed assets of STK has reached RMB205,000,000(about USD31,000,000).

    In STK, we keep introduction of new&advanced production equipment&inspection device. Since the end of 2009, we have introduced various production equipment and inspection device including 30 hot piercing unit, automatically continuous heat-treating furnace of bright annealing, LG325 cold-rolling unit, straightening machines, and NDT system,etc.

    In STK, we keep technical innovation and always pay much attention to R&D on new products. In the past two years, we have successfully developed the following new products: seamless tube of high alloy steels of T91, T92, cold-drawn multi-lead rifled seamless tube of carbon steel&alloy steel for high-pressure boilers(Type A, Type B, and Optimized type), Seamless steel tube(25mm*2.5mm) with ultra length of 25.5 meters.

    In STK, we keep our steps in accordance with international standards. We have got international certification like ISO9001, API 5L&5CT, ISO14001, OHSAS 18001,etc. Besides, product standard specifications like ASTM, EN, BS, DIN,GB, JIS, API are studied by STK and the requirements of these standard specifications are strictly executed during our daily production.

    Through years' of efforts,STK has now been the largest supplier of boiler tubes(carbon steel,alloy steel, stainless steel,and ribbed tubing,) for HARBIN BOILER COMPANY LIMITED,DONGFANG BOILER GROUP,SHANGHAI BOILER Co.,LTD and one of the appointed suppliers for small&medium size seamless tubes(carbon steel,alloy steel,and stainless steel) for Sinopec,CNPC,CNOOC and we have got positive assessment from these reputative purchasers and players in power generation industries.

    Through years' of development, STK has now won overall recognition by its stakeholders including its clients,different commercial associations, local government etc. In these several years, STK was awarded as "Star enterprise of Changzhou" "Hi&new Tech enterprise" "AAA rated enterprise""outstanding supplier",etc.

    STK has now started its first step to go public. STK will stick to its operation idea of "being the high-end seamless tube manufacturer" and take this great chance to strengthen its internal building of teams and improve its management efficiency. In the new year 2011, STK will pay more attention to overseas market. With advanced production equipment&inspection device,and production technologies and rich experience in tube manufacture, STK is willing to act as a trustworthy supplier,business partner,and solution provider for our overseas clients.

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Addwest of the industrial park district towns Changzhou, Jiangsu ProvinceChina
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