青青青国产91蜜臀一区二区_国产日韩精品情侣AV_国产在线91国语_日本黄a在线网站大全_A在线视频这里只有精品_亚洲丁香五月亚洲欧美_天堂欧美城网站网址_影视自拍高清无码_粉嫩嫩国模无码大尺度视频_国产亚洲欧美日韩在线爱豆

Pledge

Pledge

In order to ensure the benefit of both parties, reduce the product's mis-scheduled, missed products and improper use after product installation, the company will provide pre-sale, sale and after-sales service.

Pre-sales technical service

Before ordering, our technical staff will provide customers with technical parameters, samples and test reports, and explain to customers as much as possible the performance and characteristics of various products so that customers have a sensory understanding of the products, thus guiding customers according to their The working environment and work requirements of the product are placed to properly select the product to achieve the best working condition.

Sales technical training services:

After ordering, our company can communicate with the project contracting unit about the problems encountered in the technology and construction, and ensure that the supplied goods meet the supporting needs of the overall project and the construction and installation requirements. During the installation process, our company provides free technical guidance to the buyer and the installation company on the purchased products so that the products can be properly installed and used correctly. If there is any quality problem of the seller's product itself, our company will promptly replace or repair it to avoid affecting the progress of the project.

After-sales service

The warranty period is 12 months after the goods arrive at the construction site. During the warranty period, the seller is responsible for the product that is not up to the requirements due to the quality of the product itself, and is responsible for the return, replacement, and repair. In the case of man-made damage at the construction site, or improper storage on site or failure to properly install and use according to the instructions provided by our company, the performance of the product is degraded, or even the requirements are not met. Based on the principle of friendly cooperation and satisfaction of the owners, our company Responsible for repairs and replacements, but the cost of the relevant products is charged. If the equipment fails, the seller will arrive at the scene within four hours to get rid of the equipment failure after receiving the written notice.


主站蜘蛛池模板: 国产黄A片免费观看嫩草影院 | 色欲一区二区三区精品A片 国产三级精品三级在线观看 | 蜜桃aⅴ色欲A片无码精品接吻 | 在线观看视频亚洲欧美 | 亚洲一区二区A片 | 91成人 在线观看喷潮 | 真实的国产乱ⅩXXX88 | 欧美黑人性猛性生活视频 | 日本一级黄色视频 | 国产成人91一区二区三区APP | 国产黄A片免费网站 | 久久久久一区二区精码AV少妇 | 国产又粗又猛又爽又黄的国漫视频 | 蜜桃AV一区二区 | 久久夜色精品国产 | 亚洲视频一区二区 | A片女女女女女女BBBB | 亚洲一区二区三区乱码在线观看 | 超碰好吊妞在线 人妻 | …久久亚洲精品无码毛片精品色费 | 国产高颜值cos福利网免费观看 | 欧美,日韩,国产在线播放一区二区三区 | 四川少妇BBB凸凸凸BBB毛多水多 | 亚洲成色www成人网站妖精 | 国产婬妇 視频网站1 | 我要免费国产黄色强奸美女大片 | 精品国产一区二区在线观看 | 欧美精品一区二区三区在线观看视频免费 | 性欧美BBw性A片仙踪林 | 色先锋av资源站 | 93人妻精品丰满熬妇区九色 | 欧美videos护士性猛交 | 国产黄色视频免费在线观看 | 黄视频在线观看免费 | 欧美精品啪啪啪一区二区 | 女人高潮一级A片黄毛 | 国产成人a人亚洲 | 精品国产91乱码一区二区三区 | 最近国产高清免费在线观看 | 国产在线视频一区 | 波多野结衣菊门中出 |