White Horse Laboratories Storage Requirements for Electronics
J-STD-033, Handing, Packing, Shipping and Use Moisture/Reflow Sensitive Surface Mount Devices, recommends that the packaging of MSL sensitive devices should be checked every twelve months for moisture penetration.
If you have inventory in Hong Kong, you are most likely couriering parts to Singapore or Taiwan, and even Europe and North America, for taping and baking.
Why? Because there WAS no service provider in Hong Kong. There is now.
We have expanded our Hong Kong facility to include these services, which will save you the expense and lead-time costs of having to use an overseas service provider.
High temperature and high humidity environments accelerate the oxidation process, which is why our facility is climate controlled in addition to being ESD certified