- SIGMA HONGKONG LIMITED
- Main products: MEMBRANE structure, tensioned membrane structure, air domes, air structure.TENT SERIES
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- membrane structure,stadium membrane structure
- canopy , canopy tent,tent structure
- swimming pool air structure, air domes,badminton air domes,
- roof membrane structures,stadium membrane structure,parking membrane structure
- stadium air domes,badminton air domes,swimming pool air structure
- toll station membrane structures,canopy membrane structure,roof membrane structure
- air domes,badminton air domes,swimming pool air structure
- membrane structures,swimming pool membrane structure
- stadium membrane structure,car parking membrane structure
- tent structure,membrane structures,exhibition tent
