Recently, at a meeting of the fifth session of the board of directors of Sinopec Corp., Sinopec Corp. set up a board social responsibility management committee, which became the first central enterprise to establish a social responsibility management committee. Its responsibilities are: researching corporate social responsibility management policies, governance, strategy, planning; reviewing the company's annual social responsibility plan, external donation plan, reviewing the company's annual social responsibility implementation, and sustainability reporting.
Selective Laser Sintering - Sls
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It mainly uses photosensitive resin as a raw material, and utilizes the characteristic that liquid photosensitive resin will cure quickly under ultraviolet laser beam irradiation. The photosensitive resin is generally liquid, and it immediately initiates a polymerization reaction and completes curing when irradiated with a certain wavelength of ultraviolet light (250 nm to 400 nm). SLA focuses on the surface of the light-curing material by focusing ultraviolet light of a specific wavelength and intensity to solidify it sequentially from point to line and from line to surface, thereby completing the drawing of a layered cross-section.
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