Cirexx maintains J-STD-001 ES Trainer and Operator certifications for hand soldering assembly and rework/repair. Many Printed Wiring Board applications require the assembly of components that cannot be placed with automated equipment, such as through-hole, large/bulky items and sensitive devices. These are manufactured manually by trained and certified operators in accordance with the requirements of J-STD-001 ES. The specification details the process, the acceptability standards and guidelines for rework and repair. Customers can be assured that all assembly performed at Cirexx is of the highest quality and reliability.