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In order to continue to win customer satisfaction, we always encourage
  • Environmental management system certification
  • The safety management system certification
  • Quality management system certification
  • China top 500 chemical enterprises
  • Honorary certificate
  • Good product shandong province
  • The national petroleum and chemical advanced collective
  • Oil and chemical certificate of advanced collective
  • Shandong province advanced equipment units
  • Quality service credit enterprise
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Address：No 68 Yongshen Road, Dongying City, Shandong Province

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