Standard: 质量管理体系 Number: 316210103343R28 Issue Date: 2021-06-21 Expiry Date: 2024-06-23 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: 华生原检测认证中心

Standard: 知识产权管理体系认证 Number: 57221IP0430R0S Issue Date: 2021-12-14 Expiry Date: 2024-12-13 Scope/Range: 不锈钢烧结网，不锈钢金属纤维烧结毡及其滤芯的生产 Issued By: 安知认证有限公司

Standard: Quality Management System Number: 31621Q10343R2S Issue Date: 2021-06-21 Expiry Date: 2024-06-23 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: Watson Original Testing and Certification Center

Standard: Intellectual Property Management System Certification Number: 57221IP0430R0S Issue Date: 2021-12-14 Expiry Date: 2024-12-13 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: Anzhi Certification Co., Ltd.

Standard: 质量管理体系 Number: 316210103343R28 Issue Date: 2021-06-21 Expiry Date: 2024-06-23 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: 华生原检测认证中心

Standard: 知识产权管理体系认证 Number: 57221IP0430R0S Issue Date: 2021-12-14 Expiry Date: 2024-12-13 Scope/Range: 不锈钢烧结网，不锈钢金属纤维烧结毡及其滤芯的生产 Issued By: 安知认证有限公司

Standard: Quality Management System Number: 31621Q10343R2S Issue Date: 2021-06-21 Expiry Date: 2024-06-23 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: Watson Original Testing and Certification Center

Standard: Intellectual Property Management System Certification Number: 57221IP0430R0S Issue Date: 2021-12-14 Expiry Date: 2024-12-13 Scope/Range: Production of stainless steel sintered mesh, stainless steel metal fiber sintered felt and its filter element Issued By: Anzhi Certification Co., Ltd.