Tianjin Binhai International Airport TSN / ZBTJ

Provides passenger check-in, boarding, inquiry/guidance, ticketing and irregular-flight handling for Air China's own and for contracted/agency carriers' arriving and departing flights at TSN; confirmed via Air China Tianjin Branch's own 2024/2025 ground-service recruitment notices describing work "for Air China and agency airlines' arriving/departing passengers" (et.airchina.com.cn).

Predecessor supply station established Dec 1990 (parent company founded Feb/Apr 1990), based at TSN; procures, transports, stores and into-plane fuels aircraft for domestic and foreign carriers, and operates a bonded aviation-fuel warehouse for international flights at the airport, consistent with national bonded-aviation-fuel policy for carriers on international/HK-Macau-Taiwan routes; company/regulatory filings (yjgl.tj.gov.cn) - the specific "83 carriers" figure is not independently corroborated.

Operates its own PRIMER and GLOBAL aircraft de-icing vehicles (civil-aviation tail nos. A2353 / A8530) for winter operations at TSN; confirmed via a Sept-2024 Air China Tianjin Branch procurement notice covering exactly these two de-icing vehicles plus a Linde forklift (A7892) for upkeep (pur.airchina.com.cn). Tianjin's continental climate has genuine winter snow/icing, supporting seasonal status.

Operates the airport's de-icing apron with a stockpile of 315 t Type I and 227 t Type II de-icing fluid (verified verbatim via CAAC news, 11 Dec 2025, sufficient for 6 heavy-snow or 15 moderate-snow events), plus de-icing and snow-clearing vehicles for winter operations; genuine winter-weather requirement given Tianjin's continental climate.

In-house line/transit maintenance capability for its Tianjin-based fleet; the branch's lineage traces to the former Tianjin Aviation Repair Factory (天津航修厂), merged with the 23rd Flying Squadron etc. to form Air China Tianjin Branch on 8 Aug 1990 (confirmed via airport/company history pages); maintains its own ramp/special-vehicle fleet at TSN per a Sept-2024 Air China procurement notice covering three of its own special vehicles - unconfirmed independent line-maintenance approval number.

Narrowbody heavy-maintenance and modification base at TSN; strongly confirmed via independent news coverage - 6 narrowbody heavy-check/modification bays (including 1 paint bay), delivered its 500th scheduled-check aircraft, and performs Boeing/Airbus passenger-to-freighter (P2F) conversion (e.g. A321 P2F under an EFW STC) and full aircraft painting; wholly owned subsidiary of Sichuan Haite High-Tech.

In-flight catering joint venture between Beijing Airport Catering Co. (BAIK) and Tianjin Binhai Airport, established 7 July 2004 (confirmed via company registry/Baidu Baike), located inside TSN; production capacity for Chinese and foreign airlines.

Confirmed as a real, currently active distinct entity supplying catering/provisioning (produce, waste-removal services etc.) under recurring Air China Tianjin-area procurement announcements dated within days of verification (airchina.com.cn); a second flight-kitchen/catering supplier operating alongside Tianjin Airport Catering Co. at TSN.

Aircraft turnaround/cabin cleaning for its own and handled flights is customarily bundled into the branch's ground-handling scope at TSN; no standalone cabin-cleaning contract or vendor documented separately.

Name-corrected from draft (draft's characters 天津航孚科技 do not correspond to any findable entity); the real company is 天津航服科技有限公司, established 2016 and based in the Tianjin airport economic zone, confirmed as a recurring Air China vehicle-maintenance/parts vendor via an Aug-2026 Air China tender-candidate announcement. Its specific link to the Sept-2024 de-icing-vehicle (A2353/A8530) and Linde-forklift (A7892) maintenance award is not independently confirmed, though Air China Tianjin Branch's procurement of that work is itself verified.

Operates TSN's air-cargo terminal, handling outbound/inbound freight, full-freighter and belly cargo, cross-border e-commerce and door-to-door delivery; company registered 16 Sept 2005, renamed and became wholly-owned subsidiary of Tianjin Binhai Airport in a Jan-2021 restructuring (formerly Tianjin Airport Cargo Co.), confirmed via company registry and industry-association profile.

Airport-run passenger/baggage security screening; multi-level baggage-screening system reported per CAAC-linked sources; the exact internal operating unit/entity name and lane count for the screening function are not independently confirmed.

Operates apron shuttle buses (摆渡车) connecting the terminals to remote aircraft stands; a majority of daily flights at TSN park at remote positions requiring this bused transfer, corroborated by independent airport-transport descriptions.

Runs dedicated VIP/apron transfer vehicles and 3 exclusive parking facilities (183 spaces, confirmed verbatim via company profile) moving VIP, government and premium-class passengers between aircraft and terminal at TSN.

Provides VIP/business and government-delegation ground handling at TSN; confirmed via company profile - over 40 VIP lounges and 12 first-class rest rooms across Terminals 1 and 2, dedicated fast-track security lanes, ~300 staff and ~20 years of official-delegation support experience; joint venture of Capital Airport VIP Service Management Co. and Tianjin Binhai Airport Co. (both confirmed).

Confirmed as a genuine, currently listed Hilton property at 天津市空港经济区东二道 (Dong'erdao Rd), directly adjacent to TSN in the airport economic zone (verified via Hilton's own site); positioned for airport-area/crew and passenger layovers, though no specific airline crew-accommodation contract is independently confirmed.