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25

2022-02

The Tianjin Pulinn Intelligent Factory Project has been included in the 2022 Key Construction Projects List of Tianjin Municipality.

2022-02-25

The Tianjin Pulinn Intelligent Factory Project has been included in the 2022 Key Construction Projects List of Tianjin Municipality.

27

2022-01

2021 Sustainability Report

2022-01-27

2021 Sustainability Report

01

2021-11

Environmental, Occupational Health and Safety Policy (EHS Policy)

2021-11-01

Environmental, Occupational Health and Safety Policy (EHS Policy)

12

2021-07

2020 Environmental Information Disclosure Report

2020 Environmental Information Disclosure Report

2021-07-12

2020 Environmental Information Disclosure Report

30

2020-06

2019 Environmental Information Disclosure Report

2019 Annual Environmental Information Disclosure Report Tianjin Printronics Circuit Corp. TIANJIN PRINTRONICS CIRCUIT CORP Environmental Engineers Su Riguige, Gu Hongxue March 2020 I. Management’s Message Environmental Objectives: Strengthen pollution prevention and control, strive for low consumption and high efficiency, develop a circular economy to achieve clean production; build a production base that is resource-efficient, environmentally friendly, healthy for employees, and harmonious and stable. Assurance Measures: Establish and operate an ISO 14001 environmental management system, improve environmental management, and ensure efficient and stable operation of environmental protection facilities. Ensure effective environmental monitoring equipment and rigorous, meticulous technical management. Environmental Commitment: Comply with environmental laws and regulations, continuously improve environmental performance; raise employee environmental awareness, and engage all staff in building a green enterprise. To continually refine its practices and management, the company revised its Environmental, Health, and Safety (EHS) policy in 2019: The company takes “environmental protection, safe production, occupational health, social responsibility, and benefiting humanity” as its mission, working together with society to create a safe and environmentally friendly home. To further enhance its own behavior and management, the company commits to: Complying with laws and regulations, achieving target-based assessments; Reducing risks and hazards, striving for zero accidents; Implementing standards and specifications, pursuing continuous improvement; Banning harmful substances, fostering green supply chains; Scientifically preventing and controlling pollution, protecting the ecological environment; Conserving resources and reducing consumption, promoting circular and clean production; Enhancing EHS awareness, strengthening social responsibility. Tianjin Printronics Circuit Corporation takes “environmental protection, safe production, occupational health, social responsibility, and benefiting humanity” as its mission, working together with society to create a safe and environmentally friendly home. II. Company Basic Information 1. Company Overview Tianjin Printronics Circuit Corporation was formerly known as Tianjin Printronics Circuit Co., Ltd., established in April 1988. In 2005, it underwent a full transformation into Tianjin Printronics Circuit Corporation, and successfully listed on the Shenzhen Stock Exchange in 2007. With over 30 years of experience in printed circuit board (PCB) manufacturing, the company is now located at No. 53 Haihang Road, Tianjin Free Trade Zone (Airport Economic Zone), covering an area of 75,618.2 square meters. Its legal representative is Zhang Taijin, and its registered capital stands at RMB 245.849768 million. In 2011, the company was honored as the Second “Outstanding National Brand Enterprise” in China’s PCB industry; in May 2013, it received the Third “Outstanding National Brand Enterprise” award; and in July 2018, it earned the Fourth “Outstanding National Brand Enterprise” title. Our main products include high-precision rigid PCBs, high-density interconnect (HDI) PCBs, and rigid-flex boards. Currently, the company employs approximately 832 people. As of December 31, 2019, total assets amounted to RMB 581.6755 million, with sales revenue reaching RMB 392.3639 million in 2018 and RMB 418.2426 million in 2019. The company’s industrial output value (at current prices) for 2019 was RMB 394.75 million. 2. Organizational Structure of the Environmental Management System Tianjin Printronics Circuit Corporation has five dedicated environmental management personnel: the General Manager, Head of the Safety, Technology, and Environmental Protection Department, Safety, Technology, and Environmental Protection Engineer, and Energy and Environmental Engineer. Additionally, the company has established an Environmental, Occupational Health, and Safety Management System, with the following organizational structure: 3. Company Qualifications and Certifications Qualifications and Certifications: Since the early 1990s, the company has implemented the ISO 9000 quality management system, guiding orderly quality management activities. In June 1993, it obtained ISO 9002 certification. To further enhance corporate management, care for employees, and fulfill its social responsibilities, Printronics gradually established and passed certifications for ISO/TS 16949 quality management, ISO 14001 environmental management, OHSAS 18001 occupational health and safety management, and RoHS compliance between 2000 and 2006. The detailed qualifications and certifications of Tianjin Printronics Circuit Corporation are as follows: · 1988: Tianjin Printronics Circuit Co., Ltd. founded; · September 1990: Obtained UL certification, certificate number E133379; · June 1993: Received ISO 9002 certification (DNV); · November 2000: Acquired QS 9000 certification (DNV); · May 2002: Secured ISO 9001 certification (DNV); · October 2004: Achieved ISO 14001 certification (DNV); · September 2005: Obtained ISO/TS 16949 certification (DNV); · December 2005: Reorganized and renamed as Tianjin Printronics Circuit Corporation; · February 2006: Earned OHSAS 18001 certification (DNV); · April 2006: Tianjin Printronics Plant II began trial operations; · October 2006: Passed RoHS certification (DNV); · March 2007: Tianjin Printronics Plant II obtained UL certification; · June 2007: Acquired ISO 9001 certification (DNV) covering both plants; · September 2007: Secured ISO/TS 16949 certification (DNV) covering both plants; · December 2009: Plant II passed on-site audits for ISO 14001 and OHSAS 18001 (SGS); · June 2010: Successfully completed on-site audit for ISO 9001:2008 revision (DNV); · June 2011: Passed on-site audit for ISO/TS 16949:2009 revision (BSI); · December 2012: Received a Level II Certificate of Standardization for Safe Production issued by the Tianjin Municipal Center for Research on Safety Production Technology; in 2019, the company completed a re-assessment for Level II standardization and obtained the corresponding certificate. · January 2013: Received AS9100C certification from third-party certification body BV (Bureau Veritas). III. Pollution Discharge Information 1. Water Pollutant Discharge Information: (1) Control of Water Pollutant Concentrations: The main conventional pollutants discharged by the company include COD, BOD, ammonia nitrogen, and phosphorus. Characteristic pollutants comprise copper and nickel. Table 1: Statistics on Water Pollutant Concentrations Unit: mg/L Pollutant Standard Reference Average Annual Discharge Data DB12/356-2018 GB21900-2008 2019 2018 2017 Conventional Pollutants COD 500 mg/L 113.20 109.19 102.74 Consistently stable discharge Airport Economic Zone Wastewater Treatment Plant BOD 300 mg/L 52.66 41.98 36.07 Ammonia Nitrogen 45 mg/L 7.91 3.45 6.13 Total Phosphorus 8 mg/L 1.405 0.17 0.49 Characteristic Pollutants Total Copper 2 mg/L 0.1085 0.05 0.05 Total Nickel 0.5 mg/L 0.025 (not detected) 0 0 All monitoring results in 2019 comply with the "Tianjin Comprehensive Wastewater Discharge Standard" DB12/356-2018 (Level III discharge standard) and the electroplating pollutant discharge standard GB21900-2008, meeting regulatory requirements. All data presented here are sourced from Tianjin Zhonghang Testing Technology Co., Ltd. (2) Total Water Pollutant Discharge Control—see Table 2: Table 2: Statistics on Total Water Pollutant Discharges Unit: tons Pollutant 2019 2018 2017 Discharge Volume Source of Data1 Discharge Volume Discharge Volume Total Wastewater Discharge/t 681100 Material Balance 491395.2 504800 Conventional Pollutants COD (t) 61.683 Commissioned Monitoring Material Balance 55.118 51.862 BOD (t) 28.695 Commissioned Monitoring Material Balance 21.189 18.207 Ammonia Nitrogen (t) 4.312 Commissioned Monitoring Material Balance 1.739 3.095 Total Phosphorus (t) 0.766 Commissioned Monitoring Material Balance 0.084 0.246 Characteristic Pollutants Total Nickel (kg) 0.0008 Commissioned Monitoring Material Balance 0 0 Total Copper (kg) 0.0591 Commissioned Monitoring Material Balance 0.026 0.024 These figures indicate that in 2019, the total discharge of water pollutants remained within permitted limits, ensuring compliant emissions. 2. Air Pollutant Emission Control Situation The company emits conventional air pollutants such as sulfur dioxide and particulate matter, along with characteristic pollutants including hydrogen chloride, nitrogen oxides, sulfuric acid mist, lead dust, and xylene. Table 3: Statistics on Air Pollutant Concentrations Pollutant Maximum Permissible Emission Concentration (mg/m3) Average Annual Emission Data (mg/m3) Maximum Permissible Emission Rate (kg/h) Emission Rate Monitoring Data Annual Average (kg/h) 2019 2018 2017 2019 2018 2017 Emission Point FQ-KG001 Characteristic Pollutant Hydrogen Chloride 15 0 02.38 0 —— 0.0100 0.1033 0.0075 Characteristic Pollutant Sulfuric Acid Mist 15 1.5382 —— —— —— 0.0319 —— —— Emission Point FQ-KG002 Characteristic Pollutant Nitrogen Oxides 100 0 0 0 —— 0.1356 0.006668 0.011 Sulfuric Acid Mist 15 1.5479 0 0 —— 0.1783 0.002451 0.00242 Hydrogen Chloride 15 0 0 0 —— 0.0426 0 0 Emission Point FQ-KG003 Characteristic Pollutant Nitrogen Oxides 100 1.495 0 0 —— 0.0836 0.01404 0.013675 Sulfuric Acid Mist 15 2.0548 0 0 —— 0.0875 0.002417 0.0030175 Characteristic Pollutant Lead Dust 0.7 0.0394 0 0 0.002 0.00168 0.000108 0.000228 Emission Point FQ-KG004 Characteristic Pollutant Xylene 70 0.178 0.00716 0.091 0.5 0.0091 0.0033 0.0023995 Hydrogen Chloride 15 0 0 0 —— 0 0.00162 0.009335 Volatile Organic Compounds (VOCs) 50 15.4964 —— —— 12.58 0.4380 —— —— Emission Point FQ-KG006 General Pollutant Dust 120 13.792 1.403 18.56 1.75 0.2400 0.2986 0.1695 Emission Point FQ-KG025 General Pollutant Dust 18 13.214 0.5491 9.786 0.255 0.1045 0.0902 0.0695 Emission Point FQ-KG681 (Material-Discharge Dust Collection Outlet, newly added) General Pollutant Dust 18 14.905 —— —— 0.255 0.1118 —— —— Emission Point FQ-KG683 (Alkali-Etching Outlet, newly added) Characteristic Pollutant Ammonia —— 1.63 —— —— 0.6 0.0032 —— —— Characteristic Pollutant Nitrogen Oxides 100 0 —— —— —— 0.0029 —— —— Table 4: Total Atmospheric Pollutant Emissions Statistics Pollutant (Unit) 2019 2018 2017 Total Emission Requirement

2020-06-30

2019 Environmental Information Disclosure Report

12

2019-12

Environmental, Occupational Health and Safety Policy (EHS Policy)

2019-12-12

Environmental, Occupational Health and Safety Policy (EHS Policy)
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