Spark Coil is tested before shipment and this inspection is completed based on regular QC Evaluation, or depending upon customer requirements. Samples are selected and inspected for flaws at random, according to those criteria and procedures. For all those, Pre-Shipment Inspection is an important measure in the quality management procedure and is the method for checking the quality of Spark Coil until they're sent.

Haiyan aijian Co., Ltd. is the backbone enterprise of the domestic China ignition coil manufacturing industry. Haiyanfocuses on providing a variety of industrial hardware for customers. The design of Haiyanrolling tool cabinet features precise parameters. It's designed under the CAD construction drawing which contains detailed material requirement, dimensioning, and other workmanship details. It is well-protected against abrasion and corrosion. This garment silently communicates on the wearer's behalf, and enhance the level of confidence and comfort of the wearer.

The essential element of our business strategy is to deliver high-quality products through manufacturing excellence and process ingenuity at a competitive price.