“…Green external integration refers to the degree of environmental cooperation between manufacturers and external partners, such as common sense of environmental responsibilities, joint problem solving, and joint realization of environmental goals ( Kong et al, 2020 ). Setting common environmental goals with suppliers, reassuring suppliers to use advanced technologies in the manufacturing process, imposing specific environmental requirements on supplier product design, and jointly developing an environmentally friendly new product are all examples of green supplier integration ( Wu, 2013 ; Kong et al, 2021 ). While, green customer integration practices to attain environmental goals, jointly deciding on eco-strategic options to reduce the environmental impact of new products ( Wu, 2013 ; Kong et al, 2021 ), and performing collaborative planning to realize customer requirements and meet environmental safety needs ( Han and Huo, 2020 ).…”