亚洲av精品无码喷水直播间,国产丰满成熟女人性满足视频,无套中出丰满人妻无码,chinese国产hdsex

OUR SERVICE

① Remote network system;

② The North and South service team, when the customer needs, can arrive at the scene in 72 hours;

③ Stable and sound product parts library to solve customer needs;

④ Strong R & D team to support customers in the use of personalized needs and problems;

⑤ We have a fast response system of 365 days and 20 hours.

OUR SALE SERVICE

① Logistics distribution: send the customer's equipment to the designated installation place.

② On-site installation, commissioning and training: send engineers to the site for equipment installation, commissioning and operation training.

③ Product acceptance: Customer acceptance of product appearance, performance and technical indicators according to the agreement and technical documents.

④ Project follow-up technical services: After the product is put into operation, provide technical support and supporting services for the subsequent use and maintenance of the product.

OUR AFTER-SALES SERVICE STAFF

① After-sales service specialist

② After-sales Engineer

③ R&D Engineer

④ Production technology experts