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Standard: patent Number: ZL 2018 2 1449989.4 Issue Date: 2019-05-10 Expiry Date: 2049-05-10 Scope/Range: Fiber optic closure Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2018 2 1456342.4 Issue Date: 2019-05-14 Expiry Date: 2049-05-14 Scope/Range: Optical Fiber Cable Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2018 2 1525181.X Issue Date: 2019-05-18 Expiry Date: 2049-05-18 Scope/Range: Optical Fiber Cable Issued By: State Intellectual Property Office

Standard: ISO9001 Number: 19519Q31133ROS Issue Date: 2019-03-18 Expiry Date: 2022-03-17 Scope/Range: Sales of fiber optic cable Issued By: Beijing Kunbiao Inspection and Certification Co., Ltd.