91久久精品美女高潮,国产视频1区2区3区,青青草视频偷拍

少妇bbbb做爰丨亚洲乱码xxxxxxxx丨午夜激情视频网站丨午夜不卡福利丨欧美伦理片丨久久天天躁狠狠躁夜夜婷丨一本色道久久综合无码人妻丨精品无码老熟妇magnet丨中文精品久久久久鬼色丨国内精品一区二区三区在线观看丨怡红院男人天堂丨91精品视频一区丨清纯唯美一区二区三区丨在线免费看mv的网站入口丨日日碰狠狠躁久久躁综合网丨久久久久综合成人免费丨国产黄色视丨高清乱码男女免费观看丨六月久久丨69堂视频丨一级视频免费观看丨国内最真实的xxxx人伦丨h欧美丨中日产幕无线码一区丨99精品国产九九国产精品

Service Process

Home - Sales service - Service Process

Pledge

"Quality first, service first" is Kejian Machinery's deep understanding of service. Kejian Machinery does everything possible to solve problems for users, regardless of cost, and always waits for operations to serve users, winning the affirmation and trust of many customers.

pre-sale service

? Design and produce products in strict accordance with the ISO9001 quality management system;
? Accept user's consultation: technical issues, product-related knowledge, and provide various related materials;
? Visit on-site production equipment: According to the location of the customer, visit the nearby enterprises that use our equipment;
? Provide factory construction plan.

In-sale service

? Guide the layout and construction of infrastructure, water, electricity and other processes;
? Guide the installation and commissioning of equipment on site;
? On-site training of operators in each link of the production process;
? Plan related plans for quality control, procurement, and marketing.

After-sales service

? One year free warranty and lifetime service;
? Assist users in formulating production process recipes;
? Establish a complete customer profile and better follow-up service;
? Long-term supply of various spare parts, molds, etc.;
? The website provides an online customer interaction platform to troubleshoot customers at any time;
? The website provides customer message feedback system;
? Provide the latest industry information and related materials of our factory.