日韩av免费网站,欧美精品一区二区三区蜜桃 ,久久人人超碰精品,亚洲最黄网站

      After-sales service to follow up:
      In normal use flying butterfly stage lighting products, products such as occurrence quality problem, Flying butterfly company will provide the service to follow up:
      1) within 7 days from the date of delivery, detection fault is affirmed by our service center, you can choose to return, exchange or free maintenance service or free replacement parts.
      2) within 60 days from the date of delivery of the products, you can choose to enjoy a replacement or free maintenance service or free replacement parts.
      3) since 12 months from the date of delivery, you can enjoy free maintenance service or free replacement parts; More than 12 month can be a lifelong enjoy paid maintenance services.
      4)The above interpretation owned by the company.

      Pre-sale service to follow up: 
      Pre-sale technical support, including:
      1) understand customer needs and provide value-added services
      2) establishment of the technical scheme of the sales work
      3) professional and reasonable configuration list
      4) location map
      5) the key customer dynamic figure
      6) technical training

      Sale service follow up:
      Sale technical support including:
      1) professional technology solutions
      2) professional installation and debugging
      3) professional on-site guidance and training

      Customers confirm the order after ordering our products, flying butterfly company commitment within three working days to provide the goods sample, sample confirmation, enter mass production, with average daily production output of not less than 60, ensure customer project schedule!
      Shipping logistics companies can be specified by the customer, transport to contract both sides agreed shall prevail!