欧美小屁孩cao大人XXXX,一本色道久久久888,女人私密部位流白浆视频,伊人久久大香线蕉综合爱婷婷,99久久99视频只有精品,亚洲成a人片77777kkkkk,国产东北露脸精品视频,亲嘴扒胸摸屁股激烈网站免费,久久8精品视频,成视人a免费观看自wei 视频,亚洲产大香伊人蕉在线播放,欧美极品KENNAJAMES喷,国产高潮流白浆99ri,yw193国产AV剧情,国产精品久久久久久搜索,亚洲欧美激情在线观看91,亚洲天堂国产精品

Pledge: 

After the user purchases Sirui products, he can enjoy the warranty service specified by the company for that product for free (gifts or accessories do not have warranty service). If there is a service requirement beyond this range, the user should purchase the corresponding technical service provided by the after-sales service center (hereinafter referred to as the service center), and sign the relevant technical service sales contract with the after-sales service center.

Strict assembly stage product quality control. For high-voltage electrical production, three-level or higher-level workers will be selected for the job, and a skill competition with a one-time qualification rate for the product will be held to ensure that the assembly quality is intact.

Strict factory inspection and testing. The quality inspection before leaving the factory shall be provided according to the principle diagram provided by the demander; the ex-factory testing and inspection shall be carried out according to the requirements of the relevant technology agreement, and the test record shall be complete.

It is recommended that the demand-side organization staff go to the company to supervise the equipment to coordinate the problems arising from the project.