国产三级韩国三级日产三级,女女互揉吃奶揉到高潮视频,伊人久久精品一区二区三区,欧美猛少妇色XXXX久久久久,把老师c到高潮疯狂喷水的作文,久久久噜噜噜久久中文字幕色伊伊 ,红桃视频黑人内射,亚洲成A人片在线观看无码下载

Pre-sales

Provide advisory services to provide the best solutions according to your needs, achieving

the highest efficiency,Minimal cost. Based on the products and requirements you have

processed, we provide you with professional advice For reference, let your product achieve

the best results in the production process.


On Sale

We have a comprehensive, fast response, and worry free service system, and our sales

engineering personnel provide specialized services for customers Industrialized and

standardized technology ensures customer rights and interests.


After Sales

Establish usage and maintenance records based on the user's situation, and keep track

of the user's usage status at any time; Provide production Professional consulting services

for product updates and functional improvements; Equipped with a professional after-

sales service team, regularly providing services to new and old customers Conduct follow-

up visits and equipment maintenance for households;


Service commitment

01.

Our company will send personnel to your location to guide the installation, debugging, acceptance and training.

02.

The machine can only be put into formal use after our company has accepted the machine according to the precision inspection table.

03.

The warranty period of our machine tools will be 12 months from the date of delivery, and we will provide lifelong paid service for machine tools.

04.

Response time of our company's sales service, the staff of the sales service center will respond within 8 hours after receiving the customer's repair call,Be on site in 24 hours.

Chengchuan CNC

The company provides one-stop services from independent optical machinery, independent outer cover sheet metal, to the entire machine.