Product Quality Assurance

We promise：All equipment according toISO9001；2000 standard design and manufacturing, whose quality management model is certified and effective。

We promise：All products and supporting components are strictly inspected in the process of design, procurement, processing, assembly and debugging. All engineering documents can be traced and traceable, and the quality certificate of products can be guaranteed. Relevant information such as instructions and inspection reports.

We promise：The products have perfect processing technology, complete testing means, first-class materials, advanced technology and beautiful appearance. In all respects, it meets the quality, specifications and performance requirements stipulated in the tender documents and technical agreements. To ensure that the equipment is correctly installed, debugged and maintained on site, and to ensure the quality and performance in service life.

Product after-sales service

We promise：All products providedLifelong responsibilitymaintain.Ensure adequate spare parts during the service life of the product.

We promise：In accordance with customer demand time, professional and technical personnel are selected to install, debug, train and guide customers on site until the equipment is in normal operation and the customers are in normal use.

We promise：During the quality assurance period, when customers need it, we are notified12-24 hoursinside, arrange professional service personnel to arrive at the scene. Customers use and maintain normally according to the operation instructions. During the service life, Derry is responsible for repairing or replacing the parts caused by quality reasons free of charge.

We promise：In order to ensure the sustainable development of customer production site, we provide customer operation, maintenance and management personnel.Free training

We promise：Accessories required by customers12 hoursInternal response.