色,日韩,欧美,国产精品无码成人午夜电影,少妇+熟女+逼逼+69,99热热久久这里只有精品68

  • Enterprise spirit: pioneering, innovative and realistic dedication

  • Enterprise mission:Industry serves the country, creates value, serves the society and contributes to mankind.

  • Enterprise management concept:People oriented, create value, integrity based, pragmatic and quality first.

  • Enterprise quality policy:Customer first, quality assurance, with one heart and one mind.

  • Corporate vision:Make technical contributions to human's happy life and development.

  • Enterprise talent view:Four principles of honesty, simplicity, diligence and efficiency.

  • Corporate values:Good faith cooperation, excellence and multilateral win.

  • Human resources management:System personnel training, education and career retention