欧美三级中文字幕在线观看

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Shandong GRAD Group  —— Your side of the central air conditioning custom expert.

Shandong GRAD Group is situated in Dezhou, Shandong. It is a large modern enterprise with the research & development, design, production, sales,
 installation and maintenance for central air conditioning products, composite material products and solar energy products.

Shandong GRAD Group  —— The Central Air Conditioning System Customization Expert around You.

  • Production workshop
    450 thousand square meters of production base, high standard workshop of 200 thousand square
  • Scientific research
    Taking science and technology as the guide, and actively build a platform for the development of talent growth
  • Customer service
    Grad set up a set of perfect after sales service system, set up a market - oriented multi - level, three-dimensional
  • International business
    Grad group always adhere to the "morality based, people-oriented" management principles, formed its
hot air certain

The more severe crisis, the great

欧美三级中文字幕在线观看In the first half of 2020, GRAD Group pay close attention to the epidemic situation and the needs of foreign markets. All the staff kept close contact...

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