一级A毛片免费观看久久精品,国产一级做a爱片久久毛片,久久性生大片免费观看性,在线欧美69V免费观看视频,无码久久亚洲高清,亚洲精品视频免费在线观看,国产在线分享视频直播,国内外免费观看在线一级片,乐秀日韩在线视频在线观看,狠狠躁夜夜躁人人爽天天3

Welcome to the official website of Lansu Laser! Laser equipment and production process solution provider.

Home

Service Policy

切換類目

Service Policy

pre-sale service


1. Provide professional consultation: provide customers with information consultation about products, prices, technology, industry solutions, etc. at any time. The consultation channels include Internet, telephone, letter, home visit and other channels


2. Provide sample service: make samples for customers free of charge and mail them;


3. Provide inspection and reception: Customers can make an appointment to visit the exhibition hall and visit the site of Lansu Laser Company in person. The company provides professional reception staff.


 

After sales service


Our services: 1. Domestic customers provide free home delivery, installation and commissioning, and provide free training.


2. A one-year free warranty for the products sold, lifetime maintenance, and free upgrade services for supporting control software.


3. From time to time, arrange for engineers to visit and maintain the equipment free of charge, and provide round-the-clock service for the equipment sold.


  

Lansu Laser After Sales Service


1.Lansu Laser has more than 56 after-sale points across the country, and the corresponding customer service time is within 24 hours;


2. This machine has a 12-month warranty and lifetime maintenance;


3.Our company provides free operation training to relevant personnel of your company, on-site commissioning and installation, until the church is contracted;


4.System routine software is free to maintain and upgrade for life;


5.Man-made damage, natural disasters, force majeure factors, unauthorized changes are not covered by the warranty;


6.All our accessories have corresponding stocks. During the maintenance, we will provide substitute accessories to ensure your production runs normally;