Standard: Utility model patent certificate Number: 2751231 Issue Date: 2013-03-13 Expiry Date: 2023-03-13 Scope/Range: Pull-up spring lifting door Issued By:

Standard: Utility model patent certificate Number: 2741213 Issue Date: 2013-03-06 Expiry Date: 2023-03-06 Scope/Range: Synchronous lifting door Issued By:

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Standard: CE-SSD Number: 6K240521.KBLDN78 Issue Date: 2024-05-21 Expiry Date: 2029-05-20 Scope/Range: Issued By:

Standard: CE-HIGH SPEED DOOR Number: 6K240521.KBLDN74 Issue Date: 2024-05-21 Expiry Date: 2029-05-20 Scope/Range: Issued By:

Standard: CE-DOCK SEAL, DOCK SHELTER Number: 6K240521.KBLDN75 Issue Date: 2024-05-21 Expiry Date: 2029-05-20 Scope/Range: Issued By:

Standard: CE-DOCK LEVELER Number: 6K240521.KBLDN77 Issue Date: 2024-05-21 Expiry Date: 2029-05-20 Scope/Range: Issued By:

Standard: CE-SERVO CONTROL SYSTEM Number: 0P220513.WPED087 Issue Date: 2022-05-13 Expiry Date: 2027-05-12 Scope/Range: Issued By: