We arrange medical checkups for prospective, existing and outgoing employees based on their exposure to health hazards depending on their specific position. In 2020, medical examinations were provided for 3,506 staff members working in special positions to investigate and eliminate hidden risks. Every year, a professional third-party agency is engaged to conduct onsite occupational hazard tests, examine the different types of occupational hazards in each position, analyze occupational health hazards, and implement well-targeted countermeasures.

We regard work safety as the foundation of the corporation. We have strictly abided by the requirements of the Work Safety Law of the People's Republic of China and other relevant laws and regulations. In order to create a solid safety assurance for developing the Group into a world-class enterprise, we have established a comprehensive safety management system for consolidating our work safety foundation. We have actively promoted safe production on culture.

We ensure the safety and health of employees by providing staff training and physical examination services and a diverse range of leisure activities. Special support is offered to employees in need to build a favorable and enjoyable work environment.

While strictly adhering to the Environmental Protection Law of the People's Republic of China and other relevant laws and regulations, the Group has gradually implemented the Quality, Environment and Occupational Health (QEO) certification across the entire group to ensure that our environmental management is scientific and effective. As the end of 2020, the ISO 9001 quality management system, ISO 14001 environmental management system and OHSAS 18001 occupational health and safety management system had operated effectively at many subsidiaries of the Group, while pipe and fittings products of the Group have received China Environmental Labeling Certification. The Group has introduced a series of regulations and control documents such as the Water Pollution Prevention Management Regulations, Air Pollution Prevention Management Regulations, Noise Pollution Management Regulations, Waste Management Regulations, and Environmental Protection/Safety Accident Emergency Response Plan, to thoroughly assess the impacts on the environment and enforce strict control and management measures, ensuring effective environmental management.

In order to assist the State in realizing its promise of "hitting peak carbon emissions by 2030 and attaining carbon neutrality by 2060," the Group strictly complies with the requirements of relevant laws and regulations such as the Energy Conservation Law of the People's Republic of China. The Group strives to improve its energy management through supervision and technical means to reduce energy demand and improve energy usage efficiency. We are speeding up the supply of clean energy and reducing greenhouse gas emissions so as to help alleviate problems brought by climate change and contribute to reducing carbon emissions throughout society. We have compiled and rigorously enforced the Energy Management Handbook as well as procedural documents concerning the energy system, built an energy management system, conducted energy management work in a systematic fashion, continuously pushed forward certification of the energy management system, and further systematized, institutionalized and informatized energy management operations. In 2020, we maintained our overall energy consumption target of consuming 39 kilograms of standard coal or less per tonne of products and passed the ISO 50001 energy management system certification.

We use renewable energy and have distributed solar photovoltaic projects to reduce carbon emissions; Purchasing power from greener power suppliers; Plant trees around factories.

The Group fully extends the value of its main piping industry, raises its professionalism in environmental protection, and continues to serve the sustainable construction and development of cities. Meanwhile, we transmit green concepts to all sections of society and work together to create beautiful green cities to live in. We actively respond to and implement national environmental protection policies, use our advantageous piping products to actively expand the environmental protection industry, and bring into play synergy between environmental protection businesses and the plastic piping business. We provide services combination of environmental consulting, environmental assessment, design, construction, operations, environmental monitoring, environmental supervision and other complete stream of all-in-one professional services, which cover solid/critical waste disposal, wastewater/exhaust gas treatment, water supply, soil restoration, environmental testing, and technical consulting services and other fields. In 2020, we actively promoted the second round rollout of the environmental protection industry. We accelerated our entry into the four major areas of environmental protection equipment R&D and manufacturing, electronic waste and scrapped automobile recycling and dismantling, industrial and hazardous waste disposal, and urban and rural waste resource utilization, helping to reduce pollution from all types of waste and creating a livable ecological environment.