Xuzhou Xuan Yu Inspection Co., Ltd. is the only one professional third-party quality control service company in Xuzhou area, focusing on a variety of large construction machinery products, hydraulic excavators, light dump trucks, electric drive dump trucks in mining area, bulldozers, drilling rigs, cranes, aerial work vehicles, tower cranes, paver, engineering vehicles, milling machines, graders, concrete mixing stations (buildings), recycling equipment and other large construction machinery equipment to provide quality inspection and quality control services! We are Committed to provide customers with professional inspection and quality technical services, reduce the quality risk at the end user! Stand in the position of third parties, adhere to the impartiality, objectivity of the quality.

Our company located in Xuzhou area,Jiangsu province P.R China,Xuzhou as the center of construction machinery capital city,and our business has extended to Shandong Province, Zhejiang Province, Shanghai, Hunan province and all over China. Our company has a professional team of quality and technical engineers, advanced management concepts, with the inspection technology with the times we adhere to the principle of "service first, quality first" strict quality control according to the customers' request, In additional,our company has successfully completely quality supervision for the customer’s machinery big buying project in Xuzhou area ,and also following up many batches of machinery loading container and shipping. From the machinery raw material on site acceptance, welding, machining, painting and assembly to the machinery commissioning of each process. In the welding process of structural parts, the welding of the component part will be supervised and confirmed according to the drawings and process requirements. After the component part is finished, the measuring tools (box ruler, welding pass ruler, plug ruler, etc.) are used to check and confirm the assembly size and weld size and appearance of the component part, and the key weld inspection is carried out using the UT、MT testing.

After the machining process is finished, we will check the general size, key size and assembly size of the component part according to the drawing requirements, using tools (box ruler, steel plate ruler, right angle ruler, pass stop gauge, inner diameter percentile, inner and outer diameter micrometer, three coordinates, etc).After the component part painting, we will use measuring tools (paint film thickness meter, direct reading spectrometer, color difference meter ,painting film marker, etc.) according to the process requirements to check the paint film thickness, gloss, color difference, adhesion, appearance, etc.

In assembly process of outsourced parts such as engine, pump, valve, motor, gearbox and hydraulic system troubleshooting and checking the inventory to avoid failure caused by nonconforming component parts. For the assembly production problems to be on site rectified. Machinery commissioning and testing, packaging protection before delivery, our quality team has strictly controlled each quality gate to provide professional quality services in the shortest time period and efficiently.

In the company staffs unremitting efforts and forge ahead, we are steadily moving towards customized professional construction machinery and equipment field of quality inspection,with emphasis to honesty,secrecy,respect for impartiality and independence.Understand customer requirement and trying to reach their level of their satisfaction to get the win-win service concept.