The aim of the XDF’s quality assurance work is a zero defect product with on time delivery. In order to achieve this we work both pro-actively and re-actively. This approach is standardised and carried out by the Factory Management organization. factory production – process control All of our factories are ISO 9001 and ISO 14001 certified. We monitor factory management systems as part of our audit.
Quality Management System
XDF, ISO9001 certified PCB assembly house, operates under Shenzhen China operating procedures for all quality and process controls. These procedures assure that our product satisfies customer requirements in every stage and aspect of a development; from the selection of the suppliers to WIP inspection, and through to outgoing inspection and customer service. Here are just a few specific examples:
XDF will evaluate all the requirements after receiving the customers' design data and related document. Then, transform the design datum into manufacturing datum by CAM. Finally, a MI which incorporates the manufacturing datum will be formulated according to XDF's real manufacturing process and technologies. MI must be reviewed after preparation by independent engineers. Before the MI is issued, it must be reviewed by QA engineers and get approved. Drilling and routing datum must be confirmed by first article inspection before issued. In a word, XDF makes ways to guarantee that the manufacturing documentation is right and valid.
In XDF, all PCBs must go through the open and short test as well as visual inspection after passed the relative physical tests. XDF owns various advanced test equipments including AOI Testing, 3D AOI Testing, 3D SPI Testing, X-ray inspection and In-Circuit Testing for finished PCB assembly.
Suppliers must be evaluated before approval by XDF's supplier evaluation team. In addition, XDF will appraise and rank every supplier once a year to guarantee the suppliers provide the quality materials meeting XDF's requirements. Furthermore, Bittele continuously develops suppliers and promotes them to improve their quality and environment management basing on the systems of ISO9001.
In XDF, all materials must be verified and approved before going to the warehouse. XDF establishes strict verifying procedures and working instructions to control the incoming. Furthermore, XDF owns various precise inspection instruments and equipment to guarantee the capability to rightly judge whether the verified material is good or not. XDF applies a computer system to manage materials, which guarantees that materials are used by first-in-first-out. When one material gets close to expiry date, the system will issue a warning, which ensures that materials are used up before expiry or verified before use.
XDF sets up a special function, FQA to inspect the products according to the customer's spec and requirements by sampling. Products must be approved before packing. Before delivered, FQA must 100% audit every shipment for the fabrication part number, customer's part number, quantity, destination address and packing list etc.
Before accepting an order, XDF shall review and verify customer's requirements to make sure that XDF has the capability to satisfy customers' requirements including specification, delivery and other demands.
Right manufacturing instruction (MI), total equipment management and maintenance, strict WIP inspection and monitoring as well as working instructions, all these make the whole production process totally controlled. Various precise inspection equipments including the AOI inspection system as well as perfect WIP inspection instructions and control plan, all these guarantee that semi-products and final products, all reach the requirements of customers' spec.
XDF sets up a professional customer service team to proactively communicate with customers and timely deal with the customers' feedback. If necessary, they will cooperate with the customers to solve the relative problems on the customers' site. XDF is highly concerned about customers' needs and periodically surveys customers to learn about their requirements. Then Bittele will timely adjust the customer service and make the products meet customers' needs.
Our PCB guarantee goes beyond a declaration on a piece of paper. It’s a functioning system that ensures that your printed circuit board order is manufactured to your specifications. The system creates a framework for clearly defining the control of printed circuit board materials, processes, and verification activities, thus providing our customers with confidence that the manufacture of printed circuit boards is performed in a well-defined and controlled environment.
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