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Shengzhong Bangladesh Building Material Import & Export Co. Ltd.

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Shengzhong Bangladesh Building Material Import & Export Co. Ltd.

  • Linkman:
      Manager of Lin:13020172152
      Manager of Wang:13853669757
  • Bangladesh Office:
      Manager of Lin:01752491276
  • Tel:+880 255093551
  • Fax:+880 2 48111099
  • Website:www.sdszjck.com
  • Address:29 Gausul Azam Avenue Level-4, Sector-14, Uttara, Dhaka-1230, Bangladesh.

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Time:2018-01-04 10:28:49


Production and processing of door and window assembly

  Precautions for aluminum alloy welding

  1、Before welding aluminum alloy, we must clean up the surface of the aluminum alloy. There is no oil pollution and dust. It can clean the surface of the aluminum alloy welding with acetone. The thick plate aluminum alloy should be cleaned with wire brush and then acetone.

  2、When welding aluminum alloy, we must first clean up the surface of aluminum alloy, no lampblack, dust and so on. In addition, the thick plate aluminum alloy should be cleaned with wire brush and then acetone.

  3、If the plate can be compared to the plate preheating, thus preventing preheating caused by insufficient welding through, in arc should be used when small current arc pit. 


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Phone:+88 01752491276    Address:29 Gausul Azam Avenue Level-4, Sector-14, Uttara, Dhaka-1230, Bangladesh.

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