• In June, 2016, OST Slope Protection Engineering India Pvt. Ltd was founded.
  • In April, 2005, Chengdu OST Slope Protection Co., Ltd was founded.
  • In July, 2009, OST acquired IS9000 Quality Management System Certification.
  • In September, 2010, OST was awarded National Safety Production and Construction Enterprise.
  • In October, 2010, OST won the award of AAA Honesty and Legal-abiding Enterprise.
  • In February, 2011, OST invested in unfamiliar industry, suffered 10 million economic losses.
  • In June, 2011, OST was evaluated as “Advanced Legal Entity”.
  • In July, 2012, OST obtained GB/T9001 and GB/T5.
  • In May, 2014, new-type easily recovered flexible passive protection system passed through rockfall impact test.
  • In January, 2015, 3000KJ passive protection net passed through rockfall impact test.
  • In November, 2015, OST was invited to Symposium on Technical Regulations of Passive Flexible Protection System.