Inspectors selected samples according to AQL standard randomly from the bulk. This inspection can serve as a powerful reference for you to judge the quality of the whole batch of products.
PSI, abbreviation of
Pre-shipment Inspection, is also called FRI (Final Random inspection). Pre-Shipment Inspection refers to an inspection carried out by the all the goods are produced and packed completely. By conducting a sampling test in accordance with the AQL standard, to have an overall assessment of the quality of the goods.
A
Pre-Shipment Inspection normally to be scheduled at least 2~3 working days before the planned loading date, so that the buyer can have enough time to check the report and decide whether to release the shipment as planned.

Today I will introduce you to the top 3
pre-shipment inspection services companies in China.
1.
Nanjing Weproving InspectionNanjing Weproving Inspection 16+ years professional inspection service. China leading 3rd party inspection service company. Their main services including
production audit,
factory audit,
container loading check and
amazon fba inspection. Excellent customer service experience, fast response time. After the on-site inspection work is completed, the report can be sent within 1~2 days
2.
V-trustV-trust international inspection services provider with many years. Their mainly service is Laboratory testing. The industry's many years of testing services have won a great reputation in the industry
3
QIMAQima founded in 2005, The previous name was AsiaInspection. Their mainly services are audit, certification and software solutions.