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STR successfully got 20 authorized patents, including 18 utilitymodel patents, 2 invention patents.The company pays attentiorto scientific and technological innovation all the time. 9 scientific and technological achievements have reached the international leading level after identification till now.
STR main products are construction machinery wear-resistant parts, including complete series of cutting edges, end bits, segment groups, ripper shanks & adaptors, teeth and side cutters.

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 Add: East end of shanbo road,rencheng economic development zone,jining shandong
 WhatsApp: +86-18953735857
  Tel: +86-537-2909886
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