With proprietary intellectual property rights system and a complete research, production, supply and sales "Quaternity" system of industrial chain.

具有自主的知识产权体系和完整的研、产、供、销“四位一体式”的产业链体系。

youdao

With proprietary intellectual property rights system and a complete research, production, supply and sales "Quaternity" system of industrial chain.

具有自主的知识产权体系和完整的研、产、供、销“四位一体式”的产业链体系。

youdao