How China’s export VAT rebate works, why it produces two versions of a factory quote, and what it means for your landed cost as a Bangladeshi importer.

What goes into a mini cold storage heat load calculation: transmission through the insulated envelope, product pull-down and latent freezing load, respiration heat, door infiltration, internal loads, and sizing the plant to a realistic daily run time.

The cold chain for hilsa (ilish): why the oily flesh oxidises fast, boat-to-landing handling, IQF versus block versus blast freezing, what glazing does and the weight-declaration honesty issue, holding temperature and the seasonal price-spread opportunity.

How to detect whether frozen cargo thawed and refroze in transit: ice-crystal and carton-staining signs, reading the reefer temperature download and data loggers, a drip-loss thaw test, and preserving evidence for a damage claim.

How to run ABC analysis on warehouse inventory: build the classification from annual consumption value, manage A/B/C classes with different control, add the XYZ demand-variability overlay, and slot the warehouse by class.

Pharmaceutical air freight from China to Bangladesh: the 2-8C and 15-25C temperature lanes, what IATA CEIV Pharma certification buys you, passive versus active containers like Envirotainer, and the cold-chain break points on the route.

Destination CFS and off-dock depot charges for LCL importers explained: de-consolidation, shed rent, D.O. fees, why minimum charges punish small shipments, and how to read a groupage quote as a landed total.

How Chattogram’s private off-dock depots (ICDs) handle LCL imports: why they exist, the off-dock import categories, the journey of a groupage container, how they differ from the Kamalapur rail ICD, and the depot charges that inflate a cheap LCL rate.

A working guide to the six General Rules of Interpretation for HS classification: GRI 1 heading texts and Section/Chapter Notes, GRI 2 incomplete goods, GRI 3 essential character, and GRI 5-6 packaging and subheadings, applied to a Bangladesh clearance.

How anti-dumping and countervailing duties work in Bangladesh: the Customs Act sections 18B-18D, the BTTC’s role as designated authority, the investigation sequence, provisional-duty timing risk, and the product families most exposed.